897680904 has 32 divisors (see below), whose sum is σ = 2260356000. Its totient is φ = 297073152.

The previous prime is 897680879. The next prime is 897680921. The reversal of 897680904 is 409086798.

It is a happy 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, 131209 + ... + 137880.

It is an arithmetic number, because the mean of its divisors is an integer number (70636125).

Almost surely, 2^897680904 is an apocalyptic number.

It is an amenable number.

897680904 is an abundant number, since it is smaller than the sum of its proper divisors (1362675096).

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

897680904 is a wasteful number, since it uses less digits than its factorization.

897680904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269237 (or 269233 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 897680904 is about 29961.3234687655. The cubic root of 897680904 is about 964.6593888600.

The spelling of 897680904 in words is "eight hundred ninety-seven million, six hundred eighty thousand, nine hundred four".