3998908 has 6 divisors (see below), whose sum is σ = 6998096. Its totient is φ = 1999452.

The previous prime is 3998899. The next prime is 3998959. The reversal of 3998908 is 8098993.

3998908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499860 + ... + 499867.

Almost surely, 2^3998908 is an apocalyptic number.

It is an amenable number.

3998908 is a deficient number, since it is larger than the sum of its proper divisors (2999188).

3998908 is a wasteful number, since it uses less digits than its factorization.

3998908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999731 (or 999729 counting only the distinct ones).

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

The square root of 3998908 is about 1999.7269813652. The cubic root of 3998908 is about 158.7256585325.

The spelling of 3998908 in words is "three million, nine hundred ninety-eight thousand, nine hundred eight".