18248256 has 84 divisors (see below), whose sum is σ = 56351932. Its totient is φ = 5612544.

The previous prime is 18248233. The next prime is 18248261. The reversal of 18248256 is 65284281.

It can be written as a sum of positive squares in 2 ways, for example, as 10497600 + 7750656 = 3240^2 + 2784^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18248256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6270 + ... + 8706.

Almost surely, 2^18248256 is an apocalyptic number.

18248256 is a gapful number since it is divisible by the number (16) 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 18248256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28175966).

18248256 is an abundant number, since it is smaller than the sum of its proper divisors (38103676).

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

18248256 is a wasteful number, since it uses less digits than its factorization.

18248256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2455 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 18248256 is about 4271.7977480213. The cubic root of 18248256 is about 263.2734845919.

The spelling of 18248256 in words is "eighteen million, two hundred forty-eight thousand, two hundred fifty-six".