93390916 has 6 divisors (see below), whose sum is σ = 163434110. Its totient is φ = 46695456.

The previous prime is 93390889. The next prime is 93390917. The reversal of 93390916 is 61909339.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 41550916 = 7200^2 + 6446^2 .

It is not an unprimeable number, because it can be changed into a prime (93390917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11673861 + ... + 11673868.

Almost surely, 2^93390916 is an apocalyptic number.

It is an amenable number.

93390916 is a deficient number, since it is larger than the sum of its proper divisors (70043194).

93390916 is a wasteful number, since it uses less digits than its factorization.

93390916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23347733 (or 23347731 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 93390916 is about 9663.8975574041. The cubic root of 93390916 is about 453.6994070687.

The spelling of 93390916 in words is "ninety-three million, three hundred ninety thousand, nine hundred sixteen".