18248 has 8 divisors (see below), whose sum is σ = 34230. Its totient is φ = 9120.

The previous prime is 18233. The next prime is 18251. The reversal of 18248 is 84281.

It can be written as a sum of positive squares in only one way, i.e., 14884 + 3364 = 122^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 11.

It is an unprimeable number.

18248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133 + ... + 1148.

2¹⁸²⁴⁸ is an apocalyptic number.

It is an amenable number.

18248 is a deficient number, since it is larger than the sum of its proper divisors (15982).

18248 is a wasteful number, since it uses less digits than its factorization.

18248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2283 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 18248 is about 135.0851583261. The cubic root of 18248 is about 26.3272253455.

Subtracting from 18248 its sum of digits (23), we obtain a square (18225 = 135²).

The spelling of 18248 in words is "eighteen thousand, two hundred forty-eight".