897255498 has 16 divisors (see below), whose sum is σ = 1797362496. Its totient is φ = 298609920.

The previous prime is 897255479. The next prime is 897255509. The reversal of 897255498 is 894552798.

It is a happy number.

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, 114711 + ... + 122282.

It is an arithmetic number, because the mean of its divisors is an integer number (112335156).

Almost surely, 2^897255498 is an apocalyptic number.

897255498 is an abundant number, since it is smaller than the sum of its proper divisors (900106998).

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

897255498 is a wasteful number, since it uses less digits than its factorization.

897255498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237629.

The product of its digits is 7257600, while the sum is 57.

The square root of 897255498 is about 29954.2233750101. The cubic root of 897255498 is about 964.5069825385.

The spelling of 897255498 in words is "eight hundred ninety-seven million, two hundred fifty-five thousand, four hundred ninety-eight".