3993093816 has 32 divisors (see below), whose sum is σ = 10010563200. Its totient is φ = 1327320800.

The previous prime is 3993093809. The next prime is 3993093823. The reversal of 3993093816 is 6183903993.

It is an interprime number because it is at equal distance from previous prime (3993093809) and next prime (3993093823).

It is a congruent 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, 223110 + ... + 240341.

It is an arithmetic number, because the mean of its divisors is an integer number (312830100).

Almost surely, 2^3993093816 is an apocalyptic number.

It is an amenable number.

3993093816 is an abundant number, since it is smaller than the sum of its proper divisors (6017469384).

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

3993093816 is a wasteful number, since it uses less digits than its factorization.

3993093816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463819 (or 463815 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 3993093816 is about 63190.9314379840. The cubic root of 3993093816 is about 1586.4869520421.

The spelling of 3993093816 in words is "three billion, nine hundred ninety-three million, ninety-three thousand, eight hundred sixteen".