102903808 has 104 divisors (see below), whose sum is σ = 244026272. Its totient is φ = 42467328.

The previous prime is 102903799. The next prime is 102903811. The reversal of 102903808 is 808309201.

It is a self number, because there is not a number n which added to its sum of digits gives 102903808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060816 + ... + 1060912.

Almost surely, 2^102903808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102903808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122013136).

102903808 is an abundant number, since it is smaller than the sum of its proper divisors (141122464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102903808 is an frugal number, since it uses more digits than its factorization.

102903808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 102903808 is about 10144.1514184283. The cubic root of 102903808 is about 468.6088454866.

The spelling of 102903808 in words is "one hundred two million, nine hundred three thousand, eight hundred eight".