3978008 has 16 divisors (see below), whose sum is σ = 7485480. Its totient is φ = 1981888.

The previous prime is 3977999. The next prime is 3978031. The reversal of 3978008 is 8008793.

3978008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 2060 + ... + 3492.

Almost surely, 2^3978008 is an apocalyptic number.

It is an amenable number.

3978008 is a deficient number, since it is larger than the sum of its proper divisors (3507472).

3978008 is a wasteful number, since it uses less digits than its factorization.

3978008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 3978008 is about 1994.4944221531. The cubic root of 3978008 is about 158.4486527077.

The spelling of 3978008 in words is "three million, nine hundred seventy-eight thousand, eight".