93387091 has 12 divisors (see below), whose sum is σ = 109371600. Its totient is φ = 79502640.

The previous prime is 93387089. The next prime is 93387127. The reversal of 93387091 is 19078339.

It is not a de Polignac number, because 93387091 - 2¹ = 93387089 is a prime.

It is a super-2 number, since 2×93387091² = 17442297530884562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93387491) 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, 906 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (9114300).

Almost surely, 2^93387091 is an apocalyptic number.

93387091 is a deficient number, since it is larger than the sum of its proper divisors (15984509).

93387091 is a wasteful number, since it uses less digits than its factorization.

93387091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954 (or 12947 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 93387091 is about 9663.6996538593. The cubic root of 93387091 is about 453.6932129477.

The spelling of 93387091 in words is "ninety-three million, three hundred eighty-seven thousand, ninety-one".