238713 has 8 divisors (see below), whose sum is σ = 325248. Its totient is φ = 155664.

The previous prime is 238709. The next prime is 238723. The reversal of 238713 is 317832.

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

It is not a de Polignac number, because 238713 - 2² = 238709 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (238703) 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, 706 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (40656).

2²³⁸⁷¹³ is an apocalyptic number.

It is an amenable number.

238713 is a deficient number, since it is larger than the sum of its proper divisors (86535).

238713 is a wasteful number, since it uses less digits than its factorization.

238713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 1008, while the sum is 24.

The square root of 238713 is about 488.5826439815. The cubic root of 238713 is about 62.0333674015.

Subtracting from 238713 its product of digits (1008), we obtain a triangular number (237705 = T₆₈₉).

The spelling of 238713 in words is "two hundred thirty-eight thousand, seven hundred thirteen".