693990172 has 12 divisors (see below), whose sum is σ = 1220776816. Its totient is φ = 345196800.

The previous prime is 693990169. The next prime is 693990191. The reversal of 693990172 is 271099396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448704 + ... + 450247.

Almost surely, 2^693990172 is an apocalyptic number.

It is an amenable number.

693990172 is a deficient number, since it is larger than the sum of its proper divisors (526786644).

693990172 is a wasteful number, since it uses less digits than its factorization.

693990172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899148 (or 899146 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 693990172 is about 26343.6932110894. The cubic root of 693990172 is about 885.3556709301.

The spelling of 693990172 in words is "six hundred ninety-three million, nine hundred ninety thousand, one hundred seventy-two".