3999044 has 24 divisors (see below), whose sum is σ = 8420160. Its totient is φ = 1623456.

The previous prime is 3999001. The next prime is 3999053. The reversal of 3999044 is 4409993.

3999044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 3998989 and 3999007.

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, 3227 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (350840).

Almost surely, 2^3999044 is an apocalyptic number.

It is an amenable number.

3999044 is an abundant number, since it is smaller than the sum of its proper divisors (4421116).

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

3999044 is a wasteful number, since it uses less digits than its factorization.

3999044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547 (or 7545 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3999044 is about 1999.7609857180. The cubic root of 3999044 is about 158.7274578942.

The spelling of 3999044 in words is "three million, nine hundred ninety-nine thousand, forty-four".