239604 has 24 divisors (see below), whose sum is σ = 573888. Its totient is φ = 77760.

The previous prime is 239597. The next prime is 239611. The reversal of 239604 is 406932.

It is an interprime number because it is at equal distance from previous prime (239597) and next prime (239611).

It is a d-powerful number, because it can be written as 2¹¹ + 3¹¹ + 6⁴ + 9⁵ + 0 + 4³ .

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, 249 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (23912).

2²³⁹⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

239604 is an abundant number, since it is smaller than the sum of its proper divisors (334284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239604 is a wasteful number, since it uses less digits than its factorization.

239604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 239604 is about 489.4936158930. The cubic root of 239604 is about 62.1104517455.

The spelling of 239604 in words is "two hundred thirty-nine thousand, six hundred four".