3979635 has 32 divisors (see below), whose sum is σ = 7050240. Its totient is φ = 1900800.

The previous prime is 3979627. The next prime is 3979637. The reversal of 3979635 is 5369793.

It is not a de Polignac number, because 3979635 - 2³ = 3979627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3979637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14550 + ... + 14820.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

Almost surely, 2^3979635 is an apocalyptic number.

3979635 is a deficient number, since it is larger than the sum of its proper divisors (3070605).

3979635 is a wasteful number, since it uses less digits than its factorization.

3979635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 153090, while the sum is 42.

The square root of 3979635 is about 1994.9022532445. The cubic root of 3979635 is about 158.4702515263.

The spelling of 3979635 in words is "three million, nine hundred seventy-nine thousand, six hundred thirty-five".