439972494 has 16 divisors (see below), whose sum is σ = 947633232. Its totient is φ = 135376128.

The previous prime is 439972487. The next prime is 439972537. The reversal of 439972494 is 494279934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820259 + ... + 2820414.

It is an arithmetic number, because the mean of its divisors is an integer number (59227077).

Almost surely, 2^439972494 is an apocalyptic number.

439972494 is an abundant number, since it is smaller than the sum of its proper divisors (507660738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439972494 is a wasteful number, since it uses less digits than its factorization.

439972494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640691.

The product of its digits is 1959552, while the sum is 51.

The square root of 439972494 is about 20975.5213046065. The cubic root of 439972494 is about 760.5746427295.

The spelling of 439972494 in words is "four hundred thirty-nine million, nine hundred seventy-two thousand, four hundred ninety-four".