897564900 has 36 divisors (see below), whose sum is σ = 2596955312. Its totient is φ = 239350560.

The previous prime is 897564869. The next prime is 897564901. The reversal of 897564900 is 9465798.

It is a self number, because there is not a number n which added to its sum of digits gives 897564900.

It is not an unprimeable number, because it can be changed into a prime (897564901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1495642 + ... + 1496241.

Almost surely, 2^897564900 is an apocalyptic number.

It is an amenable number.

897564900 is an abundant number, since it is smaller than the sum of its proper divisors (1699390412).

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

897564900 is a wasteful number, since it uses less digits than its factorization.

897564900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991900 (or 2991893 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 897564900 is about 29959.3875104282. The cubic root of 897564900 is about 964.6178339422.

The spelling of 897564900 in words is "eight hundred ninety-seven million, five hundred sixty-four thousand, nine hundred".