208399103 has 8 divisors (see below), whose sum is σ = 227449296. Its totient is φ = 189366400.

The previous prime is 208399099. The next prime is 208399111. The reversal of 208399103 is 301993802.

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

It is a cyclic number.

It is not a de Polignac number, because 208399103 - 2² = 208399099 is a prime.

It is a super-2 number, since 2×208399103² = 86860372262409218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208399153) 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, 41783 + ... + 46503.

It is an arithmetic number, because the mean of its divisors is an integer number (28431162).

Almost surely, 2^208399103 is an apocalyptic number.

208399103 is a deficient number, since it is larger than the sum of its proper divisors (19050193).

208399103 is a wasteful number, since it uses less digits than its factorization.

208399103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 208399103 is about 14436.0348780404. The cubic root of 208399103 is about 592.8779270347.

The spelling of 208399103 in words is "two hundred eight million, three hundred ninety-nine thousand, one hundred three".