439979319 has 12 divisors (see below), whose sum is σ = 684412456. Its totient is φ = 270756432.

The previous prime is 439979317. The next prime is 439979377. The reversal of 439979319 is 913979934.

It is not a de Polignac number, because 439979319 - 2¹ = 439979317 is a prime.

It is a super-2 number, since 2×439979319² = 387163602295407522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439979317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1880137 + ... + 1880370.

Almost surely, 2^439979319 is an apocalyptic number.

439979319 is a deficient number, since it is larger than the sum of its proper divisors (244433137).

439979319 is a wasteful number, since it uses less digits than its factorization.

439979319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760526 (or 3760523 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 439979319 is about 20975.6839936151. The cubic root of 439979319 is about 760.5785754717.

The spelling of 439979319 in words is "four hundred thirty-nine million, nine hundred seventy-nine thousand, three hundred nineteen".