3899908 has 6 divisors (see below), whose sum is σ = 6824846. Its totient is φ = 1949952.

The previous prime is 3899887. The next prime is 3899927. The reversal of 3899908 is 8099983.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 506944 = 1842^2 + 712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487485 + ... + 487492.

Almost surely, 2^3899908 is an apocalyptic number.

It is an amenable number.

3899908 is a deficient number, since it is larger than the sum of its proper divisors (2924938).

3899908 is a wasteful number, since it uses less digits than its factorization.

3899908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974981 (or 974979 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 3899908 is about 1974.8184726703. The cubic root of 3899908 is about 157.4048539303.

The spelling of 3899908 in words is "three million, eight hundred ninety-nine thousand, nine hundred eight".