3989202788 has 12 divisors (see below), whose sum is σ = 6982438512. Its totient is φ = 1994220360.

The previous prime is 3989202743. The next prime is 3989202797. The reversal of 3989202788 is 8872029893.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71018 + ... + 114113.

It is an arithmetic number, because the mean of its divisors is an integer number (581869876).

Almost surely, 2^3989202788 is an apocalyptic number.

It is an amenable number.

3989202788 is a deficient number, since it is larger than the sum of its proper divisors (2993235724).

3989202788 is a wasteful number, since it uses less digits than its factorization.

3989202788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190522 (or 190520 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 3989202788 is about 63160.1360669845. The cubic root of 3989202788 is about 1585.9714727658.

The spelling of 3989202788 in words is "three billion, nine hundred eighty-nine million, two hundred two thousand, seven hundred eighty-eight".