3988984 has 24 divisors (see below), whose sum is σ = 7713360. Its totient is φ = 1933104.

The previous prime is 3988969. The next prime is 3988991. The reversal of 3988984 is 4898893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38677 + ... + 38779.

It is an arithmetic number, because the mean of its divisors is an integer number (321390).

Almost surely, 2^3988984 is an apocalyptic number.

It is an amenable number.

3988984 is a deficient number, since it is larger than the sum of its proper divisors (3724376).

3988984 is a wasteful number, since it uses less digits than its factorization.

3988984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 152 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 3988984 is about 1997.2441012555. The cubic root of 3988984 is about 158.5942478011.

Subtracting 3988984 from its reverse (4898893), we obtain a palindrome (909909).

The spelling of 3988984 in words is "three million, nine hundred eighty-eight thousand, nine hundred eighty-four".