791388 has 72 divisors (see below), whose sum is σ = 2293200. Its totient is φ = 228096.

The previous prime is 791387. The next prime is 791411. The reversal of 791388 is 883197.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (12096) is a multiple of the sum of its prime divisors (126).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 791388.

It is not an unprimeable number, because it can be changed into a prime (791387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8848 + ... + 8936.

It is an arithmetic number, because the mean of its divisors is an integer number (31850).

2⁷⁹¹³⁸⁸ is an apocalyptic number.

791388 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146600).

791388 is an abundant number, since it is smaller than the sum of its proper divisors (1501812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791388 is a wasteful number, since it uses less digits than its factorization.

791388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 126 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 791388 is about 889.5999100719. The cubic root of 791388 is about 92.4974627987.

Subtracting 791388 from its reverse (883197), we obtain a square (91809 = 303²).

It can be divided in two parts, 7913 and 88, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 791388 in words is "seven hundred ninety-one thousand, three hundred eighty-eight".