3900008 has 24 divisors (see below), whose sum is σ = 8507250. Its totient is φ = 1671264.

The previous prime is 3899989. The next prime is 3900067. The reversal of 3900008 is 8000093.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 432964 = 1862^2 + 658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4583 + ... + 5366.

Almost surely, 2^3900008 is an apocalyptic number.

It is an amenable number.

3900008 is an abundant number, since it is smaller than the sum of its proper divisors (4607242).

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

3900008 is a wasteful number, since it uses less digits than its factorization.

3900008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969 (or 9958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3900008 is about 1974.8437912908. The cubic root of 3900008 is about 157.4061992912.

The spelling of 3900008 in words is "three million, nine hundred thousand, eight".