208239 has 8 divisors (see below), whose sum is σ = 284592. Its totient is φ = 135360.

The previous prime is 208231. The next prime is 208253. The reversal of 208239 is 932802.

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

It is not a de Polignac number, because 208239 - 2³ = 208231 is a prime.

It is a super-2 number, since 2×208239² = 86726962242, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208231) 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, 724 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (35574).

2²⁰⁸²³⁹ is an apocalyptic number.

208239 is a deficient number, since it is larger than the sum of its proper divisors (76353).

208239 is a wasteful number, since it uses less digits than its factorization.

208239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 208239 is about 456.3321158981. The cubic root of 208239 is about 59.2726061613.

The spelling of 208239 in words is "two hundred eight thousand, two hundred thirty-nine".