93939644 has 12 divisors (see below), whose sum is σ = 164462424. Its totient is φ = 46950384.

The previous prime is 93939619. The next prime is 93939653. The reversal of 93939644 is 44693939.

It is a happy number.

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, 15359 + ... + 20585.

It is an arithmetic number, because the mean of its divisors is an integer number (13705202).

Almost surely, 2^93939644 is an apocalyptic number.

It is an amenable number.

93939644 is a deficient number, since it is larger than the sum of its proper divisors (70522780).

93939644 is a wasteful number, since it uses less digits than its factorization.

93939644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724 (or 9722 counting only the distinct ones).

The product of its digits is 629856, while the sum is 47.

The square root of 93939644 is about 9692.2465919930. The cubic root of 93939644 is about 454.5862583540.

The spelling of 93939644 in words is "ninety-three million, nine hundred thirty-nine thousand, six hundred forty-four".