208985039 has 8 divisors (see below), whose sum is σ = 210428400. Its totient is φ = 207547200.

The previous prime is 208985033. The next prime is 208985041. The reversal of 208985039 is 930589802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208985039 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 (208985033) 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, 97004 + ... + 99134.

It is an arithmetic number, because the mean of its divisors is an integer number (26303550).

Almost surely, 2^208985039 is an apocalyptic number.

208985039 is a deficient number, since it is larger than the sum of its proper divisors (1443361).

208985039 is a wasteful number, since it uses less digits than its factorization.

208985039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 208985039 is about 14456.3148485359. The cubic root of 208985039 is about 593.4330533133.

The spelling of 208985039 in words is "two hundred eight million, nine hundred eighty-five thousand, thirty-nine".