18027296 has 36 divisors (see below), whose sum is σ = 41289318. Its totient is φ = 7725312.

The previous prime is 18027283. The next prime is 18027313. The reversal of 18027296 is 69272081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14714896 + 3312400 = 3836^2 + 1820^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4181 + ... + 7316.

Almost surely, 2^18027296 is an apocalyptic number.

18027296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18027296 is an abundant number, since it is smaller than the sum of its proper divisors (23262022).

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

18027296 is a wasteful number, since it uses less digits than its factorization.

18027296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521 (or 11506 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 18027296 is about 4245.8563329439. The cubic root of 18027296 is about 262.2065461385.

The spelling of 18027296 in words is "eighteen million, twenty-seven thousand, two hundred ninety-six".