18007248 has 40 divisors (see below), whose sum is σ = 53165248. Its totient is φ = 5144832.

The previous prime is 18007247. The next prime is 18007259. The reversal of 18007248 is 84270081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18007243) 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, 26461 + ... + 27132.

Almost surely, 2^18007248 is an apocalyptic number.

It is an amenable number.

18007248 is an abundant number, since it is smaller than the sum of its proper divisors (35158000).

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

18007248 is a wasteful number, since it uses less digits than its factorization.

18007248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53611 (or 53605 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 18007248 is about 4243.4947861403. The cubic root of 18007248 is about 262.1093108739.

The spelling of 18007248 in words is "eighteen million, seven thousand, two hundred forty-eight".