89940008 has 8 divisors (see below), whose sum is σ = 168637530. Its totient is φ = 44970000.

The previous prime is 89940001. The next prime is 89940041. The reversal of 89940008 is 80004998.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 31684 = 9482^2 + 178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (89940001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621243 + ... + 5621258.

Almost surely, 2^89940008 is an apocalyptic number.

It is an amenable number.

89940008 is a deficient number, since it is larger than the sum of its proper divisors (78697522).

89940008 is a wasteful number, since it uses less digits than its factorization.

89940008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11242507 (or 11242503 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 89940008 is about 9483.6705974006. The cubic root of 89940008 is about 448.0408790291.

The spelling of 89940008 in words is "eighty-nine million, nine hundred forty thousand, eight".