18248518 has 8 divisors (see below), whose sum is σ = 27477648. Its totient is φ = 9089304.

The previous prime is 18248509. The next prime is 18248533. The reversal of 18248518 is 81584281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16821 + ... + 17872.

It is an arithmetic number, because the mean of its divisors is an integer number (3434706).

Almost surely, 2^18248518 is an apocalyptic number.

18248518 is a deficient number, since it is larger than the sum of its proper divisors (9229130).

18248518 is a wasteful number, since it uses less digits than its factorization.

18248518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34958.

The product of its digits is 20480, while the sum is 37.

The square root of 18248518 is about 4271.8284141571. The cubic root of 18248518 is about 263.2747445721.

The spelling of 18248518 in words is "eighteen million, two hundred forty-eight thousand, five hundred eighteen".