89984131 has 2 divisors, whose sum is σ = 89984132. Its totient is φ = 89984130.

The previous prime is 89984117. The next prime is 89984161. The reversal of 89984131 is 13148998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89984131 - 2⁵ = 89984099 is a prime.

It is a super-2 number, since 2×89984131² = 16194287663650322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89984101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44992065 + 44992066.

It is an arithmetic number, because the mean of its divisors is an integer number (44992066).

Almost surely, 2^89984131 is an apocalyptic number.

89984131 is a deficient number, since it is larger than the sum of its proper divisors (1).

89984131 is an equidigital number, since it uses as much as digits as its factorization.

89984131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 89984131 is about 9485.9965738978. The cubic root of 89984131 is about 448.1141340661.

The spelling of 89984131 in words is "eighty-nine million, nine hundred eighty-four thousand, one hundred thirty-one".