432668239 has 4 divisors (see below), whose sum is σ = 435085560. Its totient is φ = 430250920.

The previous prime is 432668237. The next prime is 432668261. The reversal of 432668239 is 932866234.

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 432668239 - 2¹ = 432668237 is a prime.

It is a super-2 number, since 2×432668239² = 374403610078722242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432668195 and 432668204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432668231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208392 + ... + 1208749.

It is an arithmetic number, because the mean of its divisors is an integer number (108771390).

Almost surely, 2^432668239 is an apocalyptic number.

432668239 is a deficient number, since it is larger than the sum of its proper divisors (2417321).

432668239 is a wasteful number, since it uses less digits than its factorization.

432668239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417320.

The product of its digits is 373248, while the sum is 43.

The square root of 432668239 is about 20800.6788110388. The cubic root of 432668239 is about 756.3422107901.

The spelling of 432668239 in words is "four hundred thirty-two million, six hundred sixty-eight thousand, two hundred thirty-nine".