89638906 has 8 divisors (see below), whose sum is σ = 153666720. Its totient is φ = 38416668.

The previous prime is 89638891. The next prime is 89638933. The reversal of 89638906 is 60983698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89638906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201376 + ... + 3201403.

It is an arithmetic number, because the mean of its divisors is an integer number (19208340).

Almost surely, 2^89638906 is an apocalyptic number.

89638906 is a deficient number, since it is larger than the sum of its proper divisors (64027814).

89638906 is a wasteful number, since it uses less digits than its factorization.

89638906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402788.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 89638906 is about 9467.7825281319. The cubic root of 89638906 is about 447.5403348890.

The spelling of 89638906 in words is "eighty-nine million, six hundred thirty-eight thousand, nine hundred six".