439742746 has 8 divisors (see below), whose sum is σ = 662495220. Its totient is φ = 218911008.

The previous prime is 439742731. The next prime is 439742767. The reversal of 439742746 is 647247934.

It can be written as a sum of positive squares in 2 ways, for example, as 372683025 + 67059721 = 19305^2 + 8189^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 439742696 and 439742705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479611 + ... + 480526.

Almost surely, 2^439742746 is an apocalyptic number.

439742746 is a deficient number, since it is larger than the sum of its proper divisors (222752474).

439742746 is a wasteful number, since it uses less digits than its factorization.

439742746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960368.

The product of its digits is 1016064, while the sum is 46.

The square root of 439742746 is about 20970.0440152137. The cubic root of 439742746 is about 760.4422322342.

The spelling of 439742746 in words is "four hundred thirty-nine million, seven hundred forty-two thousand, seven hundred forty-six".