439713923 has 8 divisors (see below), whose sum is σ = 480173616. Its totient is φ = 399335200.

The previous prime is 439713913. The next prime is 439713943. The reversal of 439713923 is 329317934.

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

It is not a de Polignac number, because 439713923 - 2²⁰ = 438665347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439713913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8588 + ... + 30873.

It is an arithmetic number, because the mean of its divisors is an integer number (60021702).

Almost surely, 2^439713923 is an apocalyptic number.

439713923 is a deficient number, since it is larger than the sum of its proper divisors (40459693).

439713923 is a wasteful number, since it uses less digits than its factorization.

439713923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40485.

The product of its digits is 122472, while the sum is 41.

The square root of 439713923 is about 20969.3567617130. The cubic root of 439713923 is about 760.4256174402.

The spelling of 439713923 in words is "four hundred thirty-nine million, seven hundred thirteen thousand, nine hundred twenty-three".