18082548 has 96 divisors (see below), whose sum is σ = 52899840. Its totient is φ = 5292000.

The previous prime is 18082541. The next prime is 18082549. The reversal of 18082548 is 84528081.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36583 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (551040).

Almost surely, 2^18082548 is an apocalyptic number.

18082548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18082548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26449920).

18082548 is an abundant number, since it is smaller than the sum of its proper divisors (34817292).

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

18082548 is a wasteful number, since it uses less digits than its factorization.

18082548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 18082548 is about 4252.3579341349. The cubic root of 18082548 is about 262.4741525570.

It can be divided in two parts, 1808 and 2548, that added together give a square (4356 = 66²).

The spelling of 18082548 in words is "eighteen million, eighty-two thousand, five hundred forty-eight".