238399 has 4 divisors (see below), whose sum is σ = 272464. Its totient is φ = 204336.

The previous prime is 238397. The next prime is 238417. The reversal of 238399 is 993832.

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 238399 - 2¹ = 238397 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 (238397) 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, 17022 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (68116).

2²³⁸³⁹⁹ is an apocalyptic number.

238399 is a deficient number, since it is larger than the sum of its proper divisors (34065).

238399 is an equidigital number, since it uses as much as digits as its factorization.

238399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34064.

The product of its digits is 11664, while the sum is 34.

The square root of 238399 is about 488.2612005884. The cubic root of 238399 is about 62.0061561698.

The spelling of 238399 in words is "two hundred thirty-eight thousand, three hundred ninety-nine".