3646884864 has 88 divisors (see below), whose sum is σ = 11108954368. Its totient is φ = 1041960960.

The previous prime is 3646884797. The next prime is 3646884907. The reversal of 3646884864 is 4684886463.

It is a super-2 number, since 2×3646884864² = 26599538422544596992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 63292 + ... + 106299.

Almost surely, 2^3646884864 is an apocalyptic number.

It is an amenable number.

3646884864 is an abundant number, since it is smaller than the sum of its proper divisors (7462069504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3646884864 is a wasteful number, since it uses less digits than its factorization.

3646884864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169621 (or 169603 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 57.

The square root of 3646884864 is about 60389.4433158644. The cubic root of 3646884864 is about 1539.2435797211.

The spelling of 3646884864 in words is "three billion, six hundred forty-six million, eight hundred eighty-four thousand, eight hundred sixty-four".