791940 has 48 divisors (see below), whose sum is σ = 2261952. Its totient is φ = 206976.

The previous prime is 791933. The next prime is 791951. The reversal of 791940 is 49197.

791940 = T₄₁₅ + T₄₁₆ + ... + T₄₂₃.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 791898 and 791907.

It is a congruent number.

It is an unprimeable number.

791940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3922 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (47124).

2⁷⁹¹⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130976).

791940 is an abundant number, since it is smaller than the sum of its proper divisors (1470012).

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

791940 is a wasteful number, since it uses less digits than its factorization.

791940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 791940 is about 889.9101078199. The cubic root of 791940 is about 92.5189637282.

The spelling of 791940 in words is "seven hundred ninety-one thousand, nine hundred forty".