897984574 has 16 divisors (see below), whose sum is σ = 1501275600. Its totient is φ = 400339584.

The previous prime is 897984569. The next prime is 897984611. The reversal of 897984574 is 475489798.

It is a super-2 number, since 2×897984574² = 1612752590283922952, which contains 22 as substring.

It is a congruent 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, 694389 + ... + 695680.

It is an arithmetic number, because the mean of its divisors is an integer number (93829725).

Almost surely, 2^897984574 is an apocalyptic number.

897984574 is a deficient number, since it is larger than the sum of its proper divisors (603291026).

897984574 is a wasteful number, since it uses less digits than its factorization.

897984574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390107.

The product of its digits is 20321280, while the sum is 61.

The square root of 897984574 is about 29966.3907402944. The cubic root of 897984574 is about 964.7681524862.

The spelling of 897984574 in words is "eight hundred ninety-seven million, nine hundred eighty-four thousand, five hundred seventy-four".