4439994 has 16 divisors (see below), whose sum is σ = 9563232. Its totient is φ = 1366128.

The previous prime is 4439993. The next prime is 4440001. The reversal of 4439994 is 4999344.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4439993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28384 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (597702).

Almost surely, 2^4439994 is an apocalyptic number.

4439994 is an abundant number, since it is smaller than the sum of its proper divisors (5123238).

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

4439994 is a wasteful number, since it uses less digits than its factorization.

4439994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56941.

The product of its digits is 139968, while the sum is 42.

The square root of 4439994 is about 2107.1293268331. The cubic root of 4439994 is about 164.3592412618.

The spelling of 4439994 in words is "four million, four hundred thirty-nine thousand, nine hundred ninety-four".