18053628 has 12 divisors (see below), whose sum is σ = 42125160. Its totient is φ = 6017872.

The previous prime is 18053627. The next prime is 18053639. The reversal of 18053628 is 82635081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18053627) 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, 752223 + ... + 752246.

It is an arithmetic number, because the mean of its divisors is an integer number (3510430).

Almost surely, 2^18053628 is an apocalyptic number.

It is an amenable number.

18053628 is an abundant number, since it is smaller than the sum of its proper divisors (24071532).

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

18053628 is a wasteful number, since it uses less digits than its factorization.

18053628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504476 (or 1504474 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 18053628 is about 4248.9561070927. The cubic root of 18053628 is about 262.3341501119.

It can be divided in two parts, 18053 and 628, that added together give a palindrome (18681).

The spelling of 18053628 in words is "eighteen million, fifty-three thousand, six hundred twenty-eight".