93190881 has 16 divisors (see below), whose sum is σ = 142193664. Its totient is φ = 53181264.

The previous prime is 93190879. The next prime is 93190883. The reversal of 93190881 is 18809139.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (93190879) and next prime (93190883).

It is not a de Polignac number, because 93190881 - 2¹ = 93190879 is a prime.

It is a super-2 number, since 2×93190881² = 17369080603112322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93190883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16126 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (8887104).

Almost surely, 2^93190881 is an apocalyptic number.

It is an amenable number.

93190881 is a deficient number, since it is larger than the sum of its proper divisors (49002783).

93190881 is a wasteful number, since it uses less digits than its factorization.

93190881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 93190881 is about 9653.5424068059. The cubic root of 93190881 is about 453.3752476504.

The spelling of 93190881 in words is "ninety-three million, one hundred ninety thousand, eight hundred eighty-one".