239798 has 16 divisors (see below), whose sum is σ = 405216. Its totient is φ = 105600.

The previous prime is 239783. The next prime is 239803. The reversal of 239798 is 897932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 798.

It is an arithmetic number, because the mean of its divisors is an integer number (25326).

2²³⁹⁷⁹⁸ is an apocalyptic number.

239798 is a deficient number, since it is larger than the sum of its proper divisors (165418).

239798 is a wasteful number, since it uses less digits than its factorization.

239798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 27216, while the sum is 38.

The square root of 239798 is about 489.6917397711. The cubic root of 239798 is about 62.1272101985.

The spelling of 239798 in words is "two hundred thirty-nine thousand, seven hundred ninety-eight".