897812936 has 8 divisors (see below), whose sum is σ = 1683399270. Its totient is φ = 448906464.

The previous prime is 897812899. The next prime is 897812969. The reversal of 897812936 is 639218798.

It can be written as a sum of positive squares in only one way, i.e., 608608900 + 289204036 = 24670^2 + 17006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 56113301 + ... + 56113316.

Almost surely, 2^897812936 is an apocalyptic number.

It is an amenable number.

897812936 is a deficient number, since it is larger than the sum of its proper divisors (785586334).

897812936 is a wasteful number, since it uses less digits than its factorization.

897812936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112226623 (or 112226619 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 897812936 is about 29963.5267617148. The cubic root of 897812936 is about 964.7066809671.

The spelling of 897812936 in words is "eight hundred ninety-seven million, eight hundred twelve thousand, nine hundred thirty-six".