3634979 has 4 divisors (see below), whose sum is σ = 3642240. Its totient is φ = 3627720.

The previous prime is 3634963. The next prime is 3634993. The reversal of 3634979 is 9794363.

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 3634979 - 2⁴ = 3634963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3634949) 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, 2819 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (910560).

Almost surely, 2^3634979 is an apocalyptic number.

3634979 is a deficient number, since it is larger than the sum of its proper divisors (7261).

3634979 is an equidigital number, since it uses as much as digits as its factorization.

3634979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260.

The product of its digits is 122472, while the sum is 41.

The square root of 3634979 is about 1906.5620892066. The cubic root of 3634979 is about 153.7566714447.

The spelling of 3634979 in words is "three million, six hundred thirty-four thousand, nine hundred seventy-nine".