89238161 has 2 divisors, whose sum is σ = 89238162. Its totient is φ = 89238160.

The previous prime is 89238143. The next prime is 89238169. The reversal of 89238161 is 16183298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 12780625 = 8744^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 89238161 - 2²⁶ = 22129297 is a prime.

It is a super-3 number, since 3×89238161³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (89238169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44619080 + 44619081.

It is an arithmetic number, because the mean of its divisors is an integer number (44619081).

Almost surely, 2^89238161 is an apocalyptic number.

It is an amenable number.

89238161 is a deficient number, since it is larger than the sum of its proper divisors (1).

89238161 is an equidigital number, since it uses as much as digits as its factorization.

89238161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 89238161 is about 9446.5952067398. The cubic root of 89238161 is about 446.8724050968.

The spelling of 89238161 in words is "eighty-nine million, two hundred thirty-eight thousand, one hundred sixty-one".