897251592 has 32 divisors (see below), whose sum is σ = 2361189600. Its totient is φ = 283342464.

The previous prime is 897251587. The next prime is 897251609. The reversal of 897251592 is 295152798.

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, 983373 + ... + 984284.

It is an arithmetic number, because the mean of its divisors is an integer number (73787175).

Almost surely, 2^897251592 is an apocalyptic number.

It is an amenable number.

897251592 is an abundant number, since it is smaller than the sum of its proper divisors (1463938008).

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

897251592 is a wasteful number, since it uses less digits than its factorization.

897251592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967685 (or 1967681 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 897251592 is about 29954.1581754520. The cubic root of 897251592 is about 964.5055829484.

The spelling of 897251592 in words is "eight hundred ninety-seven million, two hundred fifty-one thousand, five hundred ninety-two".