439984379 has 8 divisors (see below), whose sum is σ = 446933760. Its totient is φ = 433086696.

The previous prime is 439984351. The next prime is 439984397. The reversal of 439984379 is 973489934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439984379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439984309) 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, 4412 + ... + 29990.

It is an arithmetic number, because the mean of its divisors is an integer number (55866720).

Almost surely, 2^439984379 is an apocalyptic number.

439984379 is a deficient number, since it is larger than the sum of its proper divisors (6949381).

439984379 is a wasteful number, since it uses less digits than its factorization.

439984379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25849.

The product of its digits is 5878656, while the sum is 56.

The square root of 439984379 is about 20975.8046091205. The cubic root of 439984379 is about 760.5814911487.

The spelling of 439984379 in words is "four hundred thirty-nine million, nine hundred eighty-four thousand, three hundred seventy-nine".