18948108 has 12 divisors (see below), whose sum is σ = 44212280. Its totient is φ = 6316032.

The previous prime is 18948089. The next prime is 18948121. The reversal of 18948108 is 80184981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 789493 + ... + 789516.

Almost surely, 2^18948108 is an apocalyptic number.

It is an amenable number.

18948108 is an abundant number, since it is smaller than the sum of its proper divisors (25264172).

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

18948108 is a wasteful number, since it uses less digits than its factorization.

18948108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579016 (or 1579014 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 18948108 is about 4352.9424531000. The cubic root of 18948108 is about 266.5970158372.

The spelling of 18948108 in words is "eighteen million, nine hundred forty-eight thousand, one hundred eight".