897448972 has 48 divisors (see below), whose sum is σ = 1903341888. Its totient is φ = 361451520.

The previous prime is 897448969. The next prime is 897448997. The reversal of 897448972 is 279844798.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504148 + ... + 505924.

It is an arithmetic number, because the mean of its divisors is an integer number (39652956).

Almost surely, 2^897448972 is an apocalyptic number.

It is an amenable number.

897448972 is an abundant number, since it is smaller than the sum of its proper divisors (1005892916).

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

897448972 is a wasteful number, since it uses less digits than its factorization.

897448972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2864 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The square root of 897448972 is about 29957.4526954479. The cubic root of 897448972 is about 964.5763026720.

The spelling of 897448972 in words is "eight hundred ninety-seven million, four hundred forty-eight thousand, nine hundred seventy-two".