89638089 has 4 divisors (see below), whose sum is σ = 119517456. Its totient is φ = 59758724.

The previous prime is 89638079. The next prime is 89638103. The reversal of 89638089 is 98083698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89638089 - 2⁹ = 89637577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89638049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14939679 + ... + 14939684.

It is an arithmetic number, because the mean of its divisors is an integer number (29879364).

Almost surely, 2^89638089 is an apocalyptic number.

It is an amenable number.

89638089 is a deficient number, since it is larger than the sum of its proper divisors (29879367).

89638089 is a wasteful number, since it uses less digits than its factorization.

89638089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29879366.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 89638089 is about 9467.7393817109. The cubic root of 89638089 is about 447.5389752057.

The spelling of 89638089 in words is "eighty-nine million, six hundred thirty-eight thousand, eighty-nine".