208347085 has 8 divisors (see below), whose sum is σ = 250832736. Its totient is φ = 166133520.

The previous prime is 208347077. The next prime is 208347091. The reversal of 208347085 is 580743802.

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

It is not a de Polignac number, because 208347085 - 2³ = 208347077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 66331 + ... + 69400.

It is an arithmetic number, because the mean of its divisors is an integer number (31354092).

Almost surely, 2^208347085 is an apocalyptic number.

It is an amenable number.

208347085 is a deficient number, since it is larger than the sum of its proper divisors (42485651).

208347085 is a wasteful number, since it uses less digits than its factorization.

208347085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136043.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 208347085 is about 14434.2330935869. The cubic root of 208347085 is about 592.8285939843.

The spelling of 208347085 in words is "two hundred eight million, three hundred forty-seven thousand, eighty-five".