693904892 has 6 divisors (see below), whose sum is σ = 1214333568. Its totient is φ = 346952444.

The previous prime is 693904891. The next prime is 693904927. The reversal of 693904892 is 298409396.

It is a self number, because there is not a number n which added to its sum of digits gives 693904892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693904891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86738108 + ... + 86738115.

It is an arithmetic number, because the mean of its divisors is an integer number (202388928).

Almost surely, 2^693904892 is an apocalyptic number.

It is an amenable number.

693904892 is a deficient number, since it is larger than the sum of its proper divisors (520428676).

693904892 is a wasteful number, since it uses less digits than its factorization.

693904892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173476227 (or 173476225 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 693904892 is about 26342.0745576350. The cubic root of 693904892 is about 885.3194042184.

The spelling of 693904892 in words is "six hundred ninety-three million, nine hundred four thousand, eight hundred ninety-two".