439007039 has 2 divisors, whose sum is σ = 439007040. Its totient is φ = 439007038.

The previous prime is 439007033. The next prime is 439007059. The reversal of 439007039 is 930700934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439007039 - 2²⁴ = 422229823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439007033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219503519 + 219503520.

It is an arithmetic number, because the mean of its divisors is an integer number (219503520).

Almost surely, 2^439007039 is an apocalyptic number.

439007039 is a deficient number, since it is larger than the sum of its proper divisors (1).

439007039 is an equidigital number, since it uses as much as digits as its factorization.

439007039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 439007039 is about 20952.4948156538. The cubic root of 439007039 is about 760.0179122048.

The spelling of 439007039 in words is "four hundred thirty-nine million, seven thousand, thirty-nine".