238715 has 4 divisors (see below), whose sum is σ = 286464. Its totient is φ = 190968.

The previous prime is 238709. The next prime is 238723. The reversal of 238715 is 517832.

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 238715 - 2¹⁰ = 237691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23867 + ... + 23876.

It is an arithmetic number, because the mean of its divisors is an integer number (71616).

2²³⁸⁷¹⁵ is an apocalyptic number.

238715 is a deficient number, since it is larger than the sum of its proper divisors (47749).

238715 is an equidigital number, since it uses as much as digits as its factorization.

238715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47748.

The product of its digits is 1680, while the sum is 26.

The square root of 238715 is about 488.5846907139. The cubic root of 238715 is about 62.0335406449.

The spelling of 238715 in words is "two hundred thirty-eight thousand, seven hundred fifteen".