3899477976 has 32 divisors (see below), whose sum is σ = 9756938160. Its totient is φ = 1298726912.

The previous prime is 3899477971. The next prime is 3899478031. The reversal of 3899477976 is 6797749983.

It is a self number, because there is not a number n which added to its sum of digits gives 3899477976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899477971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39465 + ... + 96728.

Almost surely, 2^3899477976 is an apocalyptic number.

It is an amenable number.

3899477976 is an abundant number, since it is smaller than the sum of its proper divisors (5857460184).

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

3899477976 is a wasteful number, since it uses less digits than its factorization.

3899477976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137395 (or 137391 counting only the distinct ones).

The product of its digits is 144027072, while the sum is 69.

The square root of 3899477976 is about 62445.8003071464. The cubic root of 3899477976 is about 1573.9906829357.

The spelling of 3899477976 in words is "three billion, eight hundred ninety-nine million, four hundred seventy-seven thousand, nine hundred seventy-six".