3639796 has 12 divisors (see below), whose sum is σ = 6646752. Its totient is φ = 1740728.

The previous prime is 3639781. The next prime is 3639817. The reversal of 3639796 is 6979363.

It is a happy number.

It is a super-2 number, since 2×3639796² = 26496229843232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19690 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (553896).

Almost surely, 2^3639796 is an apocalyptic number.

It is an amenable number.

3639796 is a deficient number, since it is larger than the sum of its proper divisors (3006956).

3639796 is a wasteful number, since it uses less digits than its factorization.

3639796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39590 (or 39588 counting only the distinct ones).

The product of its digits is 183708, while the sum is 43.

The square root of 3639796 is about 1907.8249395581. The cubic root of 3639796 is about 153.8245598666.

The spelling of 3639796 in words is "three million, six hundred thirty-nine thousand, seven hundred ninety-six".