18276268 has 12 divisors (see below), whose sum is σ = 32369400. Its totient is φ = 9027872.

The previous prime is 18276263. The next prime is 18276277. The reversal of 18276268 is 86267281.

It is a self number, because there is not a number n which added to its sum of digits gives 18276268.

It is not an unprimeable number, because it can be changed into a prime (18276263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27193 + ... + 27856.

It is an arithmetic number, because the mean of its divisors is an integer number (2697450).

Almost surely, 2^18276268 is an apocalyptic number.

It is an amenable number.

18276268 is a deficient number, since it is larger than the sum of its proper divisors (14093132).

18276268 is a wasteful number, since it uses less digits than its factorization.

18276268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55136 (or 55134 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 18276268 is about 4275.0752040169. The cubic root of 18276268 is about 263.4081284449.

The spelling of 18276268 in words is "eighteen million, two hundred seventy-six thousand, two hundred sixty-eight".