3900879 has 14 divisors (see below), whose sum is σ = 5849736. Its totient is φ = 2600100.

The previous prime is 3900857. The next prime is 3900881. The reversal of 3900879 is 9780093.

It is not a de Polignac number, because 3900879 - 2⁵ = 3900847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900829) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1947 + ... + 3404.

Almost surely, 2^3900879 is an apocalyptic number.

3900879 is a deficient number, since it is larger than the sum of its proper divisors (1948857).

3900879 is an frugal number, since it uses more digits than its factorization.

3900879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3900879 is about 1975.0643027507. The cubic root of 3900879 is about 157.4179164120.

The spelling of 3900879 in words is "three million, nine hundred thousand, eight hundred seventy-nine".