634382239 has 4 divisors (see below), whose sum is σ = 638946280. Its totient is φ = 629818200.

The previous prime is 634382237. The next prime is 634382263. The reversal of 634382239 is 932283436.

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 634382239 - 2¹ = 634382237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634382237) 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, 2281812 + ... + 2282089.

It is an arithmetic number, because the mean of its divisors is an integer number (159736570).

Almost surely, 2^634382239 is an apocalyptic number.

634382239 is a deficient number, since it is larger than the sum of its proper divisors (4564041).

634382239 is a wasteful number, since it uses less digits than its factorization.

634382239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564040.

The product of its digits is 186624, while the sum is 40.

The square root of 634382239 is about 25186.9458053175. The cubic root of 634382239 is about 859.2449831893.

The spelling of 634382239 in words is "six hundred thirty-four million, three hundred eighty-two thousand, two hundred thirty-nine".