438973539 has 8 divisors (see below), whose sum is σ = 585419520. Its totient is φ = 292588296.

The previous prime is 438973531. The next prime is 438973567. The reversal of 438973539 is 935379834.

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

It is not a de Polignac number, because 438973539 - 2³ = 438973531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438973491 and 438973500.

It is not an unprimeable number, because it can be changed into a prime (438973531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5842 + ... + 30200.

It is an arithmetic number, because the mean of its divisors is an integer number (73177440).

Almost surely, 2^438973539 is an apocalyptic number.

438973539 is a deficient number, since it is larger than the sum of its proper divisors (146445981).

438973539 is a wasteful number, since it uses less digits than its factorization.

438973539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30369.

The product of its digits is 2449440, while the sum is 51.

The square root of 438973539 is about 20951.6953729287. The cubic root of 438973539 is about 759.9985797527.

The spelling of 438973539 in words is "four hundred thirty-eight million, nine hundred seventy-three thousand, five hundred thirty-nine".