1792240 has 40 divisors (see below), whose sum is σ = 4272048. Its totient is φ = 698880.

The previous prime is 1792237. The next prime is 1792247. The reversal of 1792240 is 422971.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1792247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180 + ... + 3700.

2^1792240 is an apocalyptic number.

1792240 is a gapful number since it is divisible by the number (10) 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 1792240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136024).

1792240 is an abundant number, since it is smaller than the sum of its proper divisors (2479808).

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

1792240 is a wasteful number, since it uses less digits than its factorization.

1792240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1792240 is about 1338.7456815990. The cubic root of 1792240 is about 121.4689811133.

It can be divided in two parts, 179 and 2240, that multiplied together give a triangular number (400960 = T₈₉₅).

The spelling of 1792240 in words is "one million, seven hundred ninety-two thousand, two hundred forty".