439994433 has 8 divisors (see below), whose sum is σ = 594695968. Its totient is φ = 289311264.

The previous prime is 439994413. The next prime is 439994441. The reversal of 439994433 is 334499934.

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

It is not a de Polignac number, because 439994433 - 2¹⁰ = 439993409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439994413) 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, 1004335 + ... + 1004772.

It is an arithmetic number, because the mean of its divisors is an integer number (74336996).

Almost surely, 2^439994433 is an apocalyptic number.

It is an amenable number.

439994433 is a deficient number, since it is larger than the sum of its proper divisors (154701535).

439994433 is a wasteful number, since it uses less digits than its factorization.

439994433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009183.

The product of its digits is 1259712, while the sum is 48.

The square root of 439994433 is about 20976.0442648274. The cubic root of 439994433 is about 760.5872844060.

The spelling of 439994433 in words is "four hundred thirty-nine million, nine hundred ninety-four thousand, four hundred thirty-three".