234636239 has 4 divisors (see below), whose sum is σ = 235528656. Its totient is φ = 233743824.

The previous prime is 234636223. The next prime is 234636257. The reversal of 234636239 is 932636432.

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 234636239 - 2⁴ = 234636223 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 (234636209) 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, 445814 + ... + 446339.

It is an arithmetic number, because the mean of its divisors is an integer number (58882164).

Almost surely, 2^234636239 is an apocalyptic number.

234636239 is a deficient number, since it is larger than the sum of its proper divisors (892417).

234636239 is an equidigital number, since it uses as much as digits as its factorization.

234636239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892416.

The product of its digits is 139968, while the sum is 38.

The square root of 234636239 is about 15317.8405462389. The cubic root of 234636239 is about 616.7820075788.

The spelling of 234636239 in words is "two hundred thirty-four million, six hundred thirty-six thousand, two hundred thirty-nine".