3385644646 has 16 divisors (see below), whose sum is σ = 5198331600. Its totient is φ = 1652894208.

The previous prime is 3385644629. The next prime is 3385644677. The reversal of 3385644646 is 6464465833.

It is a happy number.

It is a super-2 number, since 2×3385644646² = 22925179337976930632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3385644646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374710 + ... + 383638.

It is an arithmetic number, because the mean of its divisors is an integer number (324895725).

Almost surely, 2^3385644646 is an apocalyptic number.

3385644646 is a deficient number, since it is larger than the sum of its proper divisors (1812686954).

3385644646 is a wasteful number, since it uses less digits than its factorization.

3385644646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its digits is 4976640, while the sum is 49.

The square root of 3385644646 is about 58186.2925954215. The cubic root of 3385644646 is about 1501.5753295712.

The spelling of 3385644646 in words is "three billion, three hundred eighty-five million, six hundred forty-four thousand, six hundred forty-six".