439130439 has 12 divisors (see below), whose sum is σ = 691963272. Its totient is φ = 266139600.

The previous prime is 439130437. The next prime is 439130443. The reversal of 439130439 is 934031934.

It is not a de Polignac number, because 439130439 - 2¹ = 439130437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439130437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217732 + ... + 2217929.

It is an arithmetic number, because the mean of its divisors is an integer number (57663606).

Almost surely, 2^439130439 is an apocalyptic number.

439130439 is a deficient number, since it is larger than the sum of its proper divisors (252832833).

439130439 is a wasteful number, since it uses less digits than its factorization.

439130439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435678 (or 4435675 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 439130439 is about 20955.4393654726. The cubic root of 439130439 is about 760.0891163967.

It can be divided in two parts, 439130 and 439, that added together give a square (439569 = 663²).

The spelling of 439130439 in words is "four hundred thirty-nine million, one hundred thirty thousand, four hundred thirty-nine".