439982007 has 4 divisors (see below), whose sum is σ = 586642680. Its totient is φ = 293321336.

The previous prime is 439981961. The next prime is 439982027. The reversal of 439982007 is 700289934.

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

It is a cyclic number.

It is not a de Polignac number, because 439982007 - 2⁶ = 439981943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 439982007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439982027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73330332 + ... + 73330337.

It is an arithmetic number, because the mean of its divisors is an integer number (146660670).

Almost surely, 2^439982007 is an apocalyptic number.

439982007 is a deficient number, since it is larger than the sum of its proper divisors (146660673).

439982007 is a wasteful number, since it uses less digits than its factorization.

439982007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146660672.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 439982007 is about 20975.7480677091. The cubic root of 439982007 is about 760.5801243559.

The spelling of 439982007 in words is "four hundred thirty-nine million, nine hundred eighty-two thousand, seven".