3641979 has 24 divisors (see below), whose sum is σ = 5447680. Its totient is φ = 2162160.

The previous prime is 3641951. The next prime is 3641987. The reversal of 3641979 is 9791463.

3641979 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 3641979 - 2⁷ = 3641851 is a prime.

It is a super-2 number, since 2×3641979² = 26528022072882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3641999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28614 + ... + 28740.

Almost surely, 2^3641979 is an apocalyptic number.

3641979 is a deficient number, since it is larger than the sum of its proper divisors (1805701).

3641979 is a wasteful number, since it uses less digits than its factorization.

3641979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 220 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 3641979 is about 1908.3969712824. The cubic root of 3641979 is about 153.8553062696.

The spelling of 3641979 in words is "three million, six hundred forty-one thousand, nine hundred seventy-nine".