3993009828 has 48 divisors (see below), whose sum is σ = 9812080320. Its totient is φ = 1260347904.

The previous prime is 3993009791. The next prime is 3993009833. The reversal of 3993009828 is 8289003993.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944776 + ... + 948992.

It is an arithmetic number, because the mean of its divisors is an integer number (204418340).

Almost surely, 2^3993009828 is an apocalyptic number.

3993009828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3993009828 is an abundant number, since it is smaller than the sum of its proper divisors (5819070492).

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

3993009828 is a wasteful number, since it uses less digits than its factorization.

3993009828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3993009828 is about 63190.2668771070. The cubic root of 3993009828 is about 1586.4758289375.

The spelling of 3993009828 in words is "three billion, nine hundred ninety-three million, nine thousand, eight hundred twenty-eight".