102908 has 12 divisors (see below), whose sum is σ = 194040. Its totient is φ = 47472.

The previous prime is 102881. The next prime is 102911. The reversal of 102908 is 809201.

It is a self number, because there is not a number n which added to its sum of digits gives 102908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2¹⁰²⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

102908 is a deficient number, since it is larger than the sum of its proper divisors (91132).

102908 is a wasteful number, since it uses less digits than its factorization.

102908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 102908 is about 320.7927679983. The cubic root of 102908 is about 46.8615208651.

The spelling of 102908 in words is "one hundred two thousand, nine hundred eight".