439748023 has 8 divisors (see below), whose sum is σ = 516627216. Its totient is φ = 369019200.

The previous prime is 439748009. The next prime is 439748039. The reversal of 439748023 is 320847934.

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

It is not a de Polignac number, because 439748023 - 2¹³ = 439739831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439748003) 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, 1537438 + ... + 1537723.

It is an arithmetic number, because the mean of its divisors is an integer number (64578402).

Almost surely, 2^439748023 is an apocalyptic number.

439748023 is a deficient number, since it is larger than the sum of its proper divisors (76879193).

439748023 is a wasteful number, since it uses less digits than its factorization.

439748023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075185.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 439748023 is about 20970.1698371759. The cubic root of 439748023 is about 760.4452740411.

The spelling of 439748023 in words is "four hundred thirty-nine million, seven hundred forty-eight thousand, twenty-three".