18082276 has 12 divisors (see below), whose sum is σ = 31728060. Its totient is φ = 9017120.

The previous prime is 18082249. The next prime is 18082303. The reversal of 18082276 is 67228081.

It is an interprime number because it is at equal distance from previous prime (18082249) and next prime (18082303).

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 15444900 = 1624^2 + 3930^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (2644005).

Almost surely, 2^18082276 is an apocalyptic number.

It is an amenable number.

18082276 is a deficient number, since it is larger than the sum of its proper divisors (13645784).

18082276 is a wasteful number, since it uses less digits than its factorization.

18082276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014 (or 12012 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18082276 is about 4252.3259517586. The cubic root of 18082276 is about 262.4728364938.

The spelling of 18082276 in words is "eighteen million, eighty-two thousand, two hundred seventy-six".