89238089 has 2 divisors, whose sum is σ = 89238090. Its totient is φ = 89238088.

The previous prime is 89238077. The next prime is 89238109. The reversal of 89238089 is 98083298.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81144064 + 8094025 = 9008^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 89238089 - 2⁴ = 89238073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89232089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44619044 + 44619045.

It is an arithmetic number, because the mean of its divisors is an integer number (44619045).

Almost surely, 2^89238089 is an apocalyptic number.

It is an amenable number.

89238089 is a deficient number, since it is larger than the sum of its proper divisors (1).

89238089 is an equidigital number, since it uses as much as digits as its factorization.

89238089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 89238089 is about 9446.5913958422. The cubic root of 89238089 is about 446.8722849135.

The spelling of 89238089 in words is "eighty-nine million, two hundred thirty-eight thousand, eighty-nine".