3974989776 has 40 divisors (see below), whose sum is σ = 10872768384. Its totient is φ = 1247055360.

The previous prime is 3974989763. The next prime is 3974989783. The reversal of 3974989776 is 6779894793.

It is a self number, because there is not a number n which added to its sum of digits gives 3974989776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434840 + ... + 2436471.

Almost surely, 2^3974989776 is an apocalyptic number.

It is an amenable number.

3974989776 is an abundant number, since it is smaller than the sum of its proper divisors (6897778608).

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

3974989776 is a wasteful number, since it uses less digits than its factorization.

3974989776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871339 (or 4871333 counting only the distinct ones).

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

The square root of 3974989776 is about 63047.5199829462. The cubic root of 3974989776 is about 1584.0856945272.

The spelling of 3974989776 in words is "three billion, nine hundred seventy-four million, nine hundred eighty-nine thousand, seven hundred seventy-six".