897746418 has 12 divisors (see below), whose sum is σ = 1945117278. Its totient is φ = 299248800.

The previous prime is 897746407. The next prime is 897746459. The reversal of 897746418 is 814647798.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 540423009 + 357323409 = 23247^2 + 18903^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24937383 + ... + 24937418.

Almost surely, 2^897746418 is an apocalyptic number.

897746418 is an abundant number, since it is smaller than the sum of its proper divisors (1047370860).

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

897746418 is a wasteful number, since it uses less digits than its factorization.

897746418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49874809 (or 49874806 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 897746418 is about 29962.4167583324. The cubic root of 897746418 is about 964.6828556834.

The spelling of 897746418 in words is "eight hundred ninety-seven million, seven hundred forty-six thousand, four hundred eighteen".