3646385500 has 48 divisors (see below), whose sum is σ = 8309980224. Its totient is φ = 1395134400.

The previous prime is 3646385497. The next prime is 3646385563. The reversal of 3646385500 is 55836463.

It is a super-2 number, since 2×3646385500² = 26592254429220500000, 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147039 + ... + 170038.

It is an arithmetic number, because the mean of its divisors is an integer number (173124588).

Almost surely, 2^3646385500 is an apocalyptic number.

It is an amenable number.

3646385500 is an abundant number, since it is smaller than the sum of its proper divisors (4663594724).

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

3646385500 is a wasteful number, since it uses less digits than its factorization.

3646385500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317119 (or 317107 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 3646385500 is about 60385.3086437421. The cubic root of 3646385500 is about 1539.1733208614.

The spelling of 3646385500 in words is "three billion, six hundred forty-six million, three hundred eighty-five thousand, five hundred".