3984894988 has 12 divisors (see below), whose sum is σ = 7214034240. Its totient is φ = 1923742352.

The previous prime is 3984894961. The next prime is 3984895007. The reversal of 3984894988 is 8894984893.

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, 17176156 + ... + 17176387.

It is an arithmetic number, because the mean of its divisors is an integer number (601169520).

Almost surely, 2^3984894988 is an apocalyptic number.

It is an amenable number.

3984894988 is a deficient number, since it is larger than the sum of its proper divisors (3229139252).

3984894988 is a wasteful number, since it uses less digits than its factorization.

3984894988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352576 (or 34352574 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 70.

The square root of 3984894988 is about 63126.0246491097. The cubic root of 3984894988 is about 1585.4003888526.

The spelling of 3984894988 in words is "three billion, nine hundred eighty-four million, eight hundred ninety-four thousand, nine hundred eighty-eight".