89149237 has 2 divisors, whose sum is σ = 89149238. Its totient is φ = 89149236.

The previous prime is 89149231. The next prime is 89149259. The reversal of 89149237 is 73294198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 21399876 = 8231^2 + 4626^2 .

It is a cyclic number.

It is not a de Polignac number, because 89149237 - 2²³ = 80760629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89149193 and 89149202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89149231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44574618 + 44574619.

It is an arithmetic number, because the mean of its divisors is an integer number (44574619).

Almost surely, 2^89149237 is an apocalyptic number.

It is an amenable number.

89149237 is a deficient number, since it is larger than the sum of its proper divisors (1).

89149237 is an equidigital number, since it uses as much as digits as its factorization.

89149237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 89149237 is about 9441.8873642932. The cubic root of 89149237 is about 446.7239226992.

The spelling of 89149237 in words is "eighty-nine million, one hundred forty-nine thousand, two hundred thirty-seven".