238925239 has 4 divisors (see below), whose sum is σ = 273057424. Its totient is φ = 204793056.

The previous prime is 238925221. The next prime is 238925251. The reversal of 238925239 is 932529832.

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 238925239 - 2¹⁵ = 238892471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238925195 and 238925204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238905239) 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, 17066082 + ... + 17066095.

It is an arithmetic number, because the mean of its divisors is an integer number (68264356).

Almost surely, 2^238925239 is an apocalyptic number.

238925239 is a deficient number, since it is larger than the sum of its proper divisors (34132185).

238925239 is an equidigital number, since it uses as much as digits as its factorization.

238925239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34132184.

The product of its digits is 233280, while the sum is 43.

The square root of 238925239 is about 15457.2067010828. The cubic root of 238925239 is about 620.5174651482.

The spelling of 238925239 in words is "two hundred thirty-eight million, nine hundred twenty-five thousand, two hundred thirty-nine".