897927572 has 12 divisors (see below), whose sum is σ = 1586932116. Its totient is φ = 444518400.

The previous prime is 897927559. The next prime is 897927599. The reversal of 897927572 is 275729798.

It can be written as a sum of positive squares in 2 ways, for example, as 410224516 + 487703056 = 20254^2 + 22084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110893 + ... + 1111700.

It is an arithmetic number, because the mean of its divisors is an integer number (132244343).

Almost surely, 2^897927572 is an apocalyptic number.

It is an amenable number.

897927572 is a deficient number, since it is larger than the sum of its proper divisors (689004544).

897927572 is a wasteful number, since it uses less digits than its factorization.

897927572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222698 (or 2222696 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 56.

The square root of 897927572 is about 29965.4396263429. The cubic root of 897927572 is about 964.7477382981.

The spelling of 897927572 in words is "eight hundred ninety-seven million, nine hundred twenty-seven thousand, five hundred seventy-two".