439027117 has 4 divisors (see below), whose sum is σ = 441565020. Its totient is φ = 436489216.

The previous prime is 439027111. The next prime is 439027133. The reversal of 439027117 is 711720934.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204661636 + 234365481 = 14306^2 + 15309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439027117 is a prime.

It is a super-2 number, since 2×439027117² = 385489618922663378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439027111) 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, 1268692 + ... + 1269037.

It is an arithmetic number, because the mean of its divisors is an integer number (110391255).

Almost surely, 2^439027117 is an apocalyptic number.

It is an amenable number.

439027117 is a deficient number, since it is larger than the sum of its proper divisors (2537903).

439027117 is a wasteful number, since it uses less digits than its factorization.

439027117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537902.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 439027117 is about 20952.9739416628. The cubic root of 439027117 is about 760.0294985088.

The spelling of 439027117 in words is "four hundred thirty-nine million, twenty-seven thousand, one hundred seventeen".