3988744 has 32 divisors (see below), whose sum is σ = 8013600. Its totient is φ = 1854720.

The previous prime is 3988717. The next prime is 3988753. The reversal of 3988744 is 4478893.

3988744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3988744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18799 + ... + 19009.

It is an arithmetic number, because the mean of its divisors is an integer number (250425).

Almost surely, 2^3988744 is an apocalyptic number.

3988744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3988744 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3988744 is a wasteful number, since it uses less digits than its factorization.

3988744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 3988744 is about 1997.1840175607. The cubic root of 3988744 is about 158.5910670929.

The spelling of 3988744 in words is "three million, nine hundred eighty-eight thousand, seven hundred forty-four".