18055326 has 16 divisors (see below), whose sum is σ = 38235024. Its totient is φ = 5664384.

The previous prime is 18055291. The next prime is 18055327. The reversal of 18055326 is 62355081.

It is a junction number, because it is equal to n+sod(n) for n = 18055293 and 18055302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88405 + ... + 88608.

It is an arithmetic number, because the mean of its divisors is an integer number (2389689).

Almost surely, 2^18055326 is an apocalyptic number.

18055326 is an abundant number, since it is smaller than the sum of its proper divisors (20179698).

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

18055326 is a wasteful number, since it uses less digits than its factorization.

18055326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177035.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 18055326 is about 4249.1559161791. The cubic root of 18055326 is about 262.3423743023.

It can be divided in two parts, 18055 and 326, that added together give a palindrome (18381).

The spelling of 18055326 in words is "eighteen million, fifty-five thousand, three hundred twenty-six".