93993916 has 12 divisors (see below), whose sum is σ = 171641232. Its totient is φ = 44953568.

The previous prime is 93993899. The next prime is 93993929. The reversal of 93993916 is 61939939.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 93993916.

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, 510745 + ... + 510928.

It is an arithmetic number, because the mean of its divisors is an integer number (14303436).

Almost surely, 2^93993916 is an apocalyptic number.

It is an amenable number.

93993916 is a deficient number, since it is larger than the sum of its proper divisors (77647316).

93993916 is a wasteful number, since it uses less digits than its factorization.

93993916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021700 (or 1021698 counting only the distinct ones).

The product of its digits is 354294, while the sum is 49.

The square root of 93993916 is about 9695.0459514125. The cubic root of 93993916 is about 454.6737846093.

It can be divided in two parts, 93 and 993916, that added together give a square (994009 = 997²).

The spelling of 93993916 in words is "ninety-three million, nine hundred ninety-three thousand, nine hundred sixteen".