208001239 has 8 divisors (see below), whose sum is σ = 221036688. Its totient is φ = 195054720.

The previous prime is 208001231. The next prime is 208001249. The reversal of 208001239 is 932100802.

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

It is a cyclic number.

It is not a de Polignac number, because 208001239 - 2³ = 208001231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208001231) 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, 17377 + ... + 26794.

It is an arithmetic number, because the mean of its divisors is an integer number (27629586).

Almost surely, 2^208001239 is an apocalyptic number.

208001239 is a deficient number, since it is larger than the sum of its proper divisors (13035449).

208001239 is a wasteful number, since it uses less digits than its factorization.

208001239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44465.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 208001239 is about 14422.2480563884. The cubic root of 208001239 is about 592.5003901319.

The spelling of 208001239 in words is "two hundred eight million, one thousand, two hundred thirty-nine".