3927812320 has 48 divisors (see below), whose sum is σ = 9391289040. Its totient is φ = 1552190464.

The previous prime is 3927812309. The next prime is 3927812321. The reversal of 3927812320 is 232187293.

It is a super-2 number, since 2×3927812320² = 30855419242287564800, 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 3927812320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3927812321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134605 + ... + 161164.

It is an arithmetic number, because the mean of its divisors is an integer number (195651855).

Almost surely, 2^3927812320 is an apocalyptic number.

It is an amenable number.

3927812320 is an abundant number, since it is smaller than the sum of its proper divisors (5463476720).

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

3927812320 is a wasteful number, since it uses less digits than its factorization.

3927812320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295867 (or 295859 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3927812320 is about 62672.2611687180. The cubic root of 3927812320 is about 1577.7937909871.

The spelling of 3927812320 in words is "three billion, nine hundred twenty-seven million, eight hundred twelve thousand, three hundred twenty".