238633 has 4 divisors (see below), whose sum is σ = 240640. Its totient is φ = 236628.

The previous prime is 238627. The next prime is 238639. The reversal of 238633 is 336832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (238627) and next prime (238639).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238633 is a prime.

It is the 489-th Hogben number.

It is a Duffinian number.

238633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 238598 and 238607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238639) by changing a digit.

It is a nontrivial repunit in base 488.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (60160).

2²³⁸⁶³³ is an apocalyptic number.

It is an amenable number.

238633 is a deficient number, since it is larger than the sum of its proper divisors (2007).

238633 is a wasteful number, since it uses less digits than its factorization.

238633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006.

The product of its digits is 2592, while the sum is 25.

The square root of 238633 is about 488.5007676555. The cubic root of 238633 is about 62.0264368700.

The spelling of 238633 in words is "two hundred thirty-eight thousand, six hundred thirty-three".