439854994 has 4 divisors (see below), whose sum is σ = 659782494. Its totient is φ = 219927496.

The previous prime is 439854881. The next prime is 439855007. The reversal of 439854994 is 499458934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 385611769 + 54243225 = 19637^2 + 7365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109963747 + ... + 109963750.

Almost surely, 2^439854994 is an apocalyptic number.

439854994 is a deficient number, since it is larger than the sum of its proper divisors (219927500).

439854994 is a wasteful number, since it uses less digits than its factorization.

439854994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219927499.

The product of its digits is 5598720, while the sum is 55.

The square root of 439854994 is about 20972.7202336750. The cubic root of 439854994 is about 760.5069298016.

The spelling of 439854994 in words is "four hundred thirty-nine million, eight hundred fifty-four thousand, nine hundred ninety-four".