89638930 has 16 divisors (see below), whose sum is σ = 163393920. Its totient is φ = 35401392.

The previous prime is 89638891. The next prime is 89638933. The reversal of 89638930 is 3983698.

It is not an unprimeable number, because it can be changed into a prime (89638933) 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, 55944 + ... + 57523.

It is an arithmetic number, because the mean of its divisors is an integer number (10212120).

Almost surely, 2^89638930 is an apocalyptic number.

89638930 is a deficient number, since it is larger than the sum of its proper divisors (73754990).

89638930 is a wasteful number, since it uses less digits than its factorization.

89638930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113553.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 89638930 is about 9467.7837955881. The cubic root of 89638930 is about 447.5403748306.

The spelling of 89638930 in words is "eighty-nine million, six hundred thirty-eight thousand, nine hundred thirty".