3995924736 has 72 divisors (see below), whose sum is σ = 10649076480. Its totient is φ = 1330210816.

The previous prime is 3995924729. The next prime is 3995924753. The reversal of 3995924736 is 6374295993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659770 + ... + 665798.

It is an arithmetic number, because the mean of its divisors is an integer number (147903840).

Almost surely, 2^3995924736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3995924736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5324538240).

3995924736 is an abundant number, since it is smaller than the sum of its proper divisors (6653151744).

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

3995924736 is an equidigital number, since it uses as much as digits as its factorization.

3995924736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911 (or 6897 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 57.

The square root of 3995924736 is about 63213.3272024183. The cubic root of 3995924736 is about 1586.8617789233.

The spelling of 3995924736 in words is "three billion, nine hundred ninety-five million, nine hundred twenty-four thousand, seven hundred thirty-six".