239404 has 12 divisors (see below), whose sum is σ = 457128. Its totient is φ = 108800.

The previous prime is 239389. The next prime is 239417. The reversal of 239404 is 404932.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 12.

It is an unprimeable number.

239404 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, 2677 + ... + 2764.

It is an arithmetic number, because the mean of its divisors is an integer number (38094).

2²³⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

239404 is a deficient number, since it is larger than the sum of its proper divisors (217724).

239404 is a wasteful number, since it uses less digits than its factorization.

239404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 239404 is about 489.2892804875. The cubic root of 239404 is about 62.0931655173.

The spelling of 239404 in words is "two hundred thirty-nine thousand, four hundred four".