93057993 has 12 divisors (see below), whose sum is σ = 153619648. Its totient is φ = 53175960.

The previous prime is 93057989. The next prime is 93058019. The reversal of 93057993 is 39975039.

It is not a de Polignac number, because 93057993 - 2² = 93057989 is a prime.

It is a super-2 number, since 2×93057993² = 17319580122376098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93057493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738493 + ... + 738618.

Almost surely, 2^93057993 is an apocalyptic number.

It is an amenable number.

93057993 is a deficient number, since it is larger than the sum of its proper divisors (60561655).

93057993 is a wasteful number, since it uses less digits than its factorization.

93057993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477124 (or 1477121 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 93057993 is about 9646.6570893756. The cubic root of 93057993 is about 453.1596443301.

The spelling of 93057993 in words is "ninety-three million, fifty-seven thousand, nine hundred ninety-three".