89238971 has 2 divisors, whose sum is σ = 89238972. Its totient is φ = 89238970.

The previous prime is 89238937. The next prime is 89238979. The reversal of 89238971 is 17983298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89238971 - 2¹⁴ = 89222587 is a prime.

It is not a weakly prime, because it can be changed into another prime (89238979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44619485 + 44619486.

It is an arithmetic number, because the mean of its divisors is an integer number (44619486).

Almost surely, 2^89238971 is an apocalyptic number.

89238971 is a deficient number, since it is larger than the sum of its proper divisors (1).

89238971 is an equidigital number, since it uses as much as digits as its factorization.

89238971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The square root of 89238971 is about 9446.6380792322. The cubic root of 89238971 is about 446.8737571550.

It can be divided in two parts, 89238 and 971, that added together give a palindrome (90209).

The spelling of 89238971 in words is "eighty-nine million, two hundred thirty-eight thousand, nine hundred seventy-one".