18026882 has 4 divisors (see below), whose sum is σ = 27040326. Its totient is φ = 9013440.

The previous prime is 18026863. The next prime is 18026887. The reversal of 18026882 is 28862081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28862081 = 2411 ⋅11971.

It can be written as a sum of positive squares in only one way, i.e., 17480761 + 546121 = 4181^2 + 739^2 .

It is not an unprimeable number, because it can be changed into a prime (18026887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4506719 + ... + 4506722.

Almost surely, 2^18026882 is an apocalyptic number.

18026882 is a deficient number, since it is larger than the sum of its proper divisors (9013444).

18026882 is an equidigital number, since it uses as much as digits as its factorization.

18026882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013443.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 18026882 is about 4245.8075792480. The cubic root of 18026882 is about 262.2045389168.

The spelling of 18026882 in words is "eighteen million, twenty-six thousand, eight hundred eighty-two".