3897927616 has 28 divisors (see below), whose sum is σ = 8438128920. Its totient is φ = 1771784960.

The previous prime is 3897927587. The next prime is 3897927623. The reversal of 3897927616 is 6167297983.

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, 2767711 + ... + 2769118.

Almost surely, 2^3897927616 is an apocalyptic number.

It is an amenable number.

3897927616 is an abundant number, since it is smaller than the sum of its proper divisors (4540201304).

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

3897927616 is a wasteful number, since it uses less digits than its factorization.

3897927616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536852 (or 5536842 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 58.

The square root of 3897927616 is about 62433.3854279904. The cubic root of 3897927616 is about 1573.7820588000.

The spelling of 3897927616 in words is "three billion, eight hundred ninety-seven million, nine hundred twenty-seven thousand, six hundred sixteen".