18386148 has 48 divisors (see below), whose sum is σ = 49271040. Its totient is φ = 5277600.

The previous prime is 18386107. The next prime is 18386149. The reversal of 18386148 is 84168381.

It is not an unprimeable number, because it can be changed into a prime (18386149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (1026480).

Almost surely, 2^18386148 is an apocalyptic number.

It is an amenable number.

18386148 is an abundant number, since it is smaller than the sum of its proper divisors (30884892).

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

18386148 is a wasteful number, since it uses less digits than its factorization.

18386148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368 (or 7366 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 18386148 is about 4287.9071818312. The cubic root of 18386148 is about 263.9349587247.

The spelling of 18386148 in words is "eighteen million, three hundred eighty-six thousand, one hundred forty-eight".