4044939 has 4 divisors (see below), whose sum is σ = 5393256. Its totient is φ = 2696624.

The previous prime is 4044917. The next prime is 4044959. The reversal of 4044939 is 9394404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4044939 - 2⁷ = 4044811 is a prime.

It is a D-number.

4044939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4044959) 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, 674154 + ... + 674159.

It is an arithmetic number, because the mean of its divisors is an integer number (1348314).

Almost surely, 2^4044939 is an apocalyptic number.

4044939 is a deficient number, since it is larger than the sum of its proper divisors (1348317).

4044939 is a wasteful number, since it uses less digits than its factorization.

4044939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348316.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 4044939 is about 2011.2033711189. The cubic root of 4044939 is about 159.3323612195.

The spelling of 4044939 in words is "four million, forty-four thousand, nine hundred thirty-nine".