439979199 has 32 divisors (see below), whose sum is σ = 648781056. Its totient is φ = 263013120.

The previous prime is 439979191. The next prime is 439979201. The reversal of 439979199 is 991979934.

It is not a de Polignac number, because 439979199 - 2³ = 439979191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439979191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387789 + ... + 1388105.

It is an arithmetic number, because the mean of its divisors is an integer number (20274408).

Almost surely, 2^439979199 is an apocalyptic number.

439979199 is a deficient number, since it is larger than the sum of its proper divisors (208801857).

439979199 is a wasteful number, since it uses less digits than its factorization.

439979199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its digits is 4960116, while the sum is 60.

The square root of 439979199 is about 20975.6811331599. The cubic root of 439979199 is about 760.5785063249.

The spelling of 439979199 in words is "four hundred thirty-nine million, nine hundred seventy-nine thousand, one hundred ninety-nine".