239998 has 8 divisors (see below), whose sum is σ = 392760. Its totient is φ = 109080.

The previous prime is 239977. The next prime is 239999. The reversal of 239998 is 899932.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 239998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239999) 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, 5433 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (49095).

2²³⁹⁹⁹⁸ is an apocalyptic number.

239998 is a deficient number, since it is larger than the sum of its proper divisors (152762).

239998 is a wasteful number, since it uses less digits than its factorization.

239998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922.

The product of its digits is 34992, while the sum is 40.

The square root of 239998 is about 489.8959073109. The cubic root of 239998 is about 62.1444774946.

It can be divided in two parts, 2 and 39998, that added together give a square (40000 = 200²).

The spelling of 239998 in words is "two hundred thirty-nine thousand, nine hundred ninety-eight".