3684921312 has 24 divisors (see below), whose sum is σ = 9672918696. Its totient is φ = 1228307072.

The previous prime is 3684921311. The next prime is 3684921323. The reversal of 3684921312 is 2131294863.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684921311) by changing a digit.

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, 19192203 + ... + 19192394.

It is an arithmetic number, because the mean of its divisors is an integer number (403038279).

Almost surely, 2^3684921312 is an apocalyptic number.

3684921312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3684921312 is an abundant number, since it is smaller than the sum of its proper divisors (5987997384).

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

3684921312 is a wasteful number, since it uses less digits than its factorization.

3684921312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38384610 (or 38384602 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 3684921312 is about 60703.5527131650. The cubic root of 3684921312 is about 1544.5764400656.

The spelling of 3684921312 in words is "three billion, six hundred eighty-four million, nine hundred twenty-one thousand, three hundred twelve".