3902347928 has 16 divisors (see below), whose sum is σ = 7318016280. Its totient is φ = 1950876928.

The previous prime is 3902347901. The next prime is 3902347949. The reversal of 3902347928 is 8297432093.

It is a congruent number.

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, 24776 + ... + 91752.

Almost surely, 2^3902347928 is an apocalyptic number.

It is an amenable number.

3902347928 is a deficient number, since it is larger than the sum of its proper divisors (3415668352).

3902347928 is a wasteful number, since it uses less digits than its factorization.

3902347928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74266 (or 74262 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3902347928 is about 62468.7756243069. The cubic root of 3902347928 is about 1574.3767320406.

The spelling of 3902347928 in words is "three billion, nine hundred two million, three hundred forty-seven thousand, nine hundred twenty-eight".