897136418 has 16 divisors (see below), whose sum is σ = 1371224160. Its totient is φ = 440091936.

The previous prime is 897136399. The next prime is 897136453. The reversal of 897136418 is 814631798.

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, 54446 + ... + 68982.

It is an arithmetic number, because the mean of its divisors is an integer number (85701510).

Almost surely, 2^897136418 is an apocalyptic number.

897136418 is a deficient number, since it is larger than the sum of its proper divisors (474087742).

897136418 is a wasteful number, since it uses less digits than its factorization.

897136418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121.

The product of its digits is 290304, while the sum is 47.

The square root of 897136418 is about 29952.2356093832. The cubic root of 897136418 is about 964.4643122054.

The spelling of 897136418 in words is "eight hundred ninety-seven million, one hundred thirty-six thousand, four hundred eighteen".