3979907 has 4 divisors (see below), whose sum is σ = 4006416. Its totient is φ = 3953400.

The previous prime is 3979901. The next prime is 3979957. The reversal of 3979907 is 7099793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3979907 - 2⁴ = 3979891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13028 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (1001604).

Almost surely, 2^3979907 is an apocalyptic number.

3979907 is a deficient number, since it is larger than the sum of its proper divisors (26509).

3979907 is a wasteful number, since it uses less digits than its factorization.

3979907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 3979907 is about 1994.9704258460. The cubic root of 3979907 is about 158.4738618178.

The spelling of 3979907 in words is "three million, nine hundred seventy-nine thousand, nine hundred seven".