3646656236 has 12 divisors (see below), whose sum is σ = 6382246080. Its totient is φ = 1823157360.

The previous prime is 3646656217. The next prime is 3646656253. The reversal of 3646656236 is 6326566463.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13610 + ... + 86478.

It is an arithmetic number, because the mean of its divisors is an integer number (531853840).

Almost surely, 2^3646656236 is an apocalyptic number.

It is an amenable number.

3646656236 is a deficient number, since it is larger than the sum of its proper divisors (2735589844).

3646656236 is a wasteful number, since it uses less digits than its factorization.

3646656236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85384 (or 85382 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 47.

The square root of 3646656236 is about 60387.5503394532. The cubic root of 3646656236 is about 1539.2114133153.

The spelling of 3646656236 in words is "three billion, six hundred forty-six million, six hundred fifty-six thousand, two hundred thirty-six".