18868148 has 24 divisors (see below), whose sum is σ = 35679840. Its totient is φ = 8678880.

The previous prime is 18868139. The next prime is 18868151. The reversal of 18868148 is 84186881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18868099 and 18868108.

It is a congruent number.

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, 25163 + ... + 25901.

It is an arithmetic number, because the mean of its divisors is an integer number (1486660).

Almost surely, 2^18868148 is an apocalyptic number.

It is an amenable number.

18868148 is a deficient number, since it is larger than the sum of its proper divisors (16811692).

18868148 is a wasteful number, since it uses less digits than its factorization.

18868148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 98304, while the sum is 44.

The square root of 18868148 is about 4343.7481510787. The cubic root of 18868148 is about 266.2214787202.

The spelling of 18868148 in words is "eighteen million, eight hundred sixty-eight thousand, one hundred forty-eight".