439917338 has 16 divisors (see below), whose sum is σ = 754525824. Its totient is φ = 188440560.

The previous prime is 439917329. The next prime is 439917353. The reversal of 439917338 is 833719934.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 439917292 and 439917301.

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, 25556 + ... + 39152.

It is an arithmetic number, because the mean of its divisors is an integer number (47157864).

Almost surely, 2^439917338 is an apocalyptic number.

439917338 is a deficient number, since it is larger than the sum of its proper divisors (314608486).

439917338 is a wasteful number, since it uses less digits than its factorization.

439917338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15917.

The product of its digits is 489888, while the sum is 47.

The square root of 439917338 is about 20974.2064927377. The cubic root of 439917338 is about 760.5428589183.

The spelling of 439917338 in words is "four hundred thirty-nine million, nine hundred seventeen thousand, three hundred thirty-eight".