4423979 has 32 divisors (see below), whose sum is σ = 5836800. Its totient is φ = 3265920.

The previous prime is 4423973. The next prime is 4423987. The reversal of 4423979 is 9793244.

It is a de Polignac number, because none of the positive numbers 2^k-4423979 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119549 + ... + 119585.

It is an arithmetic number, because the mean of its divisors is an integer number (182400).

Almost surely, 2^4423979 is an apocalyptic number.

4423979 is a deficient number, since it is larger than the sum of its proper divisors (1412821).

4423979 is a wasteful number, since it uses less digits than its factorization.

4423979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its digits is 54432, while the sum is 38.

The square root of 4423979 is about 2103.3256999333. The cubic root of 4423979 is about 164.1613893133.

The spelling of 4423979 in words is "four million, four hundred twenty-three thousand, nine hundred seventy-nine".