3902291128 has 16 divisors (see below), whose sum is σ = 7317460080. Its totient is φ = 1950968448.

The previous prime is 3902291123. The next prime is 3902291147. The reversal of 3902291128 is 8211922093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902291123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152901 + ... + 176587.

It is an arithmetic number, because the mean of its divisors is an integer number (457341255).

Almost surely, 2^3902291128 is an apocalyptic number.

It is an amenable number.

3902291128 is a deficient number, since it is larger than the sum of its proper divisors (3415168952).

3902291128 is a wasteful number, since it uses less digits than its factorization.

3902291128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44286 (or 44282 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 3902291128 is about 62468.3209955254. The cubic root of 3902291128 is about 1574.3690934741.

The spelling of 3902291128 in words is "three billion, nine hundred two million, two hundred ninety-one thousand, one hundred twenty-eight".