897921532 has 12 divisors (see below), whose sum is σ = 1654066120. Its totient is φ = 425331216.

The previous prime is 897921529. The next prime is 897921533. The reversal of 897921532 is 235129798.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897921533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5907303 + ... + 5907454.

Almost surely, 2^897921532 is an apocalyptic number.

It is an amenable number.

897921532 is a deficient number, since it is larger than the sum of its proper divisors (756144588).

897921532 is a wasteful number, since it uses less digits than its factorization.

897921532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814780 (or 11814778 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 897921532 is about 29965.3388434037. The cubic root of 897921532 is about 964.7455751357.

The spelling of 897921532 in words is "eight hundred ninety-seven million, nine hundred twenty-one thousand, five hundred thirty-two".