3992984 has 16 divisors (see below), whose sum is σ = 7812720. Its totient is φ = 1909600.

The previous prime is 3992959. The next prime is 3992987. The reversal of 3992984 is 4892993.

3992984 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10667 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (488295).

Almost surely, 2^3992984 is an apocalyptic number.

It is an amenable number.

3992984 is a deficient number, since it is larger than the sum of its proper divisors (3819736).

3992984 is a wasteful number, since it uses less digits than its factorization.

3992984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730 (or 21726 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 3992984 is about 1998.2452301957. The cubic root of 3992984 is about 158.6472408328.

Subtracting 3992984 from its reverse (4892993), we obtain a palindrome (900009).

The spelling of 3992984 in words is "three million, nine hundred ninety-two thousand, nine hundred eighty-four".