208089037 has 8 divisors (see below), whose sum is σ = 224482104. Its totient is φ = 191751168.

The previous prime is 208089017. The next prime is 208089041. The reversal of 208089037 is 730980802.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 207907561 = 426^2 + 14419^2 .

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-208089037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208088987 and 208089005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208089017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788 + ... + 21205.

It is an arithmetic number, because the mean of its divisors is an integer number (28060263).

Almost surely, 2^208089037 is an apocalyptic number.

It is an amenable number.

208089037 is a deficient number, since it is larger than the sum of its proper divisors (16393067).

208089037 is a wasteful number, since it uses less digits than its factorization.

208089037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27599.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 208089037 is about 14425.2915741762. The cubic root of 208089037 is about 592.5837438528.

The spelling of 208089037 in words is "two hundred eight million, eighty-nine thousand, thirty-seven".