897118938 has 48 divisors (see below), whose sum is σ = 1977932736. Its totient is φ = 293811840.

The previous prime is 897118931. The next prime is 897118967. The reversal of 897118938 is 839811798.

It is not an unprimeable number, because it can be changed into a prime (897118931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429645 + ... + 431727.

It is an arithmetic number, because the mean of its divisors is an integer number (41206932).

Almost surely, 2^897118938 is an apocalyptic number.

897118938 is an abundant number, since it is smaller than the sum of its proper divisors (1080813798).

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

897118938 is a wasteful number, since it uses less digits than its factorization.

897118938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2496 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The square root of 897118938 is about 29951.9438100434. The cubic root of 897118938 is about 964.4580482210.

The spelling of 897118938 in words is "eight hundred ninety-seven million, one hundred eighteen thousand, nine hundred thirty-eight".