897588738 has 12 divisors (see below), whose sum is σ = 1944775638. Its totient is φ = 299196240.

The previous prime is 897588737. The next prime is 897588739. The reversal of 897588738 is 837885798.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (897588737) and next prime (897588739).

It can be written as a sum of positive squares in only one way, i.e., 887265369 + 10323369 = 29787^2 + 3213^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (897588737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24933003 + ... + 24933038.

Almost surely, 2^897588738 is an apocalyptic number.

897588738 is an abundant number, since it is smaller than the sum of its proper divisors (1047186900).

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

897588738 is a wasteful number, since it uses less digits than its factorization.

897588738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49866049 (or 49866046 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 63.

The square root of 897588738 is about 29959.7853463605. The cubic root of 897588738 is about 964.6263734756.

The spelling of 897588738 in words is "eight hundred ninety-seven million, five hundred eighty-eight thousand, seven hundred thirty-eight".