239493 has 8 divisors (see below), whose sum is σ = 323008. Its totient is φ = 157824.

The previous prime is 239489. The next prime is 239509. The reversal of 239493 is 394932.

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

It is not a de Polignac number, because 239493 - 2² = 239489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 239493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (40376).

2²³⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

239493 is a deficient number, since it is larger than the sum of its proper divisors (83515).

239493 is an equidigital number, since it uses as much as digits as its factorization.

239493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its digits is 5832, while the sum is 30.

The square root of 239493 is about 489.3802202787. The cubic root of 239493 is about 62.1008590773.

The spelling of 239493 in words is "two hundred thirty-nine thousand, four hundred ninety-three".