208147093 has 16 divisors (see below), whose sum is σ = 259854336. Its totient is φ = 161976240.

The previous prime is 208147073. The next prime is 208147111. The reversal of 208147093 is 390741802.

It is a cyclic number.

It is not a de Polignac number, because 208147093 - 2⁵ = 208147061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208147003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80580 + ... + 83122.

It is an arithmetic number, because the mean of its divisors is an integer number (16240896).

Almost surely, 2^208147093 is an apocalyptic number.

It is an amenable number.

208147093 is a deficient number, since it is larger than the sum of its proper divisors (51707243).

208147093 is a wasteful number, since it uses less digits than its factorization.

208147093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 208147093 is about 14427.3037328532. The cubic root of 208147093 is about 592.6388482180.

Adding to 208147093 its reverse (390741802), we get a palindrome (598888895).

The spelling of 208147093 in words is "two hundred eight million, one hundred forty-seven thousand, ninety-three".