93981856 has 12 divisors (see below), whose sum is σ = 185026842. Its totient is φ = 46990912.

The previous prime is 93981851. The next prime is 93981857. The reversal of 93981856 is 65818939.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 9709456 = 9180^2 + 3116^2 .

It is not an unprimeable number, because it can be changed into a prime (93981851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1468435 + ... + 1468498.

Almost surely, 2^93981856 is an apocalyptic number.

It is an amenable number.

93981856 is a deficient number, since it is larger than the sum of its proper divisors (91044986).

93981856 is a wasteful number, since it uses less digits than its factorization.

93981856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936943 (or 2936935 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 93981856 is about 9694.4239643209. The cubic root of 93981856 is about 454.6543379592.

The spelling of 93981856 in words is "ninety-three million, nine hundred eighty-one thousand, eight hundred fifty-six".