233998 has 8 divisors (see below), whose sum is σ = 355680. Its totient is φ = 115440.

The previous prime is 233993. The next prime is 234007. The reversal of 233998 is 899332.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233993) by changing a digit.

233998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (44460).

2²³³⁹⁹⁸ is an apocalyptic number.

233998 is a deficient number, since it is larger than the sum of its proper divisors (121682).

233998 is a wasteful number, since it uses less digits than its factorization.

233998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

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

The square root of 233998 is about 483.7333976479. The cubic root of 233998 is about 61.6222259146.

The spelling of 233998 in words is "two hundred thirty-three thousand, nine hundred ninety-eight".