897564032 has 32 divisors (see below), whose sum is σ = 1789987800. Its totient is φ = 448312320.

The previous prime is 897563941. The next prime is 897564053. The reversal of 897564032 is 230465798.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141407 + ... + 147617.

Almost surely, 2^897564032 is an apocalyptic number.

It is an amenable number.

897564032 is a deficient number, since it is larger than the sum of its proper divisors (892423768).

897564032 is a wasteful number, since it uses less digits than its factorization.

897564032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7342 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 897564032 is about 29959.3730241472. The cubic root of 897564032 is about 964.6175229940.

The spelling of 897564032 in words is "eight hundred ninety-seven million, five hundred sixty-four thousand, thirty-two".