897853412 has 6 divisors (see below), whose sum is σ = 1571243478. Its totient is φ = 448926704.

The previous prime is 897853393. The next prime is 897853421. The reversal of 897853412 is 214358798.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 884705536 + 13147876 = 29744^2 + 3626^2 .

It is a super-2 number, since 2×897853412² = 1612281498880083488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112231673 + ... + 112231680.

It is an arithmetic number, because the mean of its divisors is an integer number (261873913).

Almost surely, 2^897853412 is an apocalyptic number.

It is an amenable number.

897853412 is a deficient number, since it is larger than the sum of its proper divisors (673390066).

897853412 is a wasteful number, since it uses less digits than its factorization.

897853412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224463357 (or 224463355 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 897853412 is about 29964.2021752624. The cubic root of 897853412 is about 964.7211780037.

The spelling of 897853412 in words is "eight hundred ninety-seven million, eight hundred fifty-three thousand, four hundred twelve".