238105439 has 8 divisors (see below), whose sum is σ = 279732432. Its totient is φ = 199808640.

The previous prime is 238105433. The next prime is 238105481. The reversal of 238105439 is 934501832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238105439 - 2⁸ = 238105183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238105399 and 238105408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238105433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832394 + ... + 832679.

It is an arithmetic number, because the mean of its divisors is an integer number (34966554).

Almost surely, 2^238105439 is an apocalyptic number.

238105439 is a deficient number, since it is larger than the sum of its proper divisors (41626993).

238105439 is a wasteful number, since it uses less digits than its factorization.

238105439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665097.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 238105439 is about 15430.6655397620. The cubic root of 238105439 is about 619.8069456165.

The spelling of 238105439 in words is "two hundred thirty-eight million, one hundred five thousand, four hundred thirty-nine".