89653638 has 16 divisors (see below), whose sum is σ = 181984320. Its totient is φ = 29438376.

The previous prime is 89653637. The next prime is 89653651. The reversal of 89653638 is 83635698.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89653637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111108 + ... + 111911.

It is an arithmetic number, because the mean of its divisors is an integer number (11374020).

Almost surely, 2^89653638 is an apocalyptic number.

89653638 is an abundant number, since it is smaller than the sum of its proper divisors (92330682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89653638 is a wasteful number, since it uses less digits than its factorization.

89653638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223091.

The product of its digits is 933120, while the sum is 48.

The square root of 89653638 is about 9468.5605030543. The cubic root of 89653638 is about 447.5648510407.

The spelling of 89653638 in words is "eighty-nine million, six hundred fifty-three thousand, six hundred thirty-eight".