797904 has 40 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 265824.

The previous prime is 797897. The next prime is 797911. The reversal of 797904 is 409797.

It is an interprime number because it is at equal distance from previous prime (797897) and next prime (797911).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2⁷⁹⁷⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

797904 is an abundant number, since it is smaller than the sum of its proper divisors (1493616).

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

797904 is a wasteful number, since it uses less digits than its factorization.

797904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 797904 is about 893.2547229094. The cubic root of 797904 is about 92.7506326802.

The spelling of 797904 in words is "seven hundred ninety-seven thousand, nine hundred four".