208614117 has 32 divisors (see below), whose sum is σ = 298045440. Its totient is φ = 129507840.

The previous prime is 208614079. The next prime is 208614127. The reversal of 208614117 is 711416802.

It is a de Polignac number, because none of the positive numbers 2^k-208614117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208614127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474984 + ... + 475422.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2^208614117 is an apocalyptic number.

It is an amenable number.

208614117 is a deficient number, since it is larger than the sum of its proper divisors (89431323).

208614117 is a wasteful number, since it uses less digits than its factorization.

208614117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 208614117 is about 14443.4800861842. The cubic root of 208614117 is about 593.0817558689.

The spelling of 208614117 in words is "two hundred eight million, six hundred fourteen thousand, one hundred seventeen".