18286048 has 24 divisors (see below), whose sum is σ = 39274200. Its totient is φ = 8311680.

The previous prime is 18286043. The next prime is 18286049. The reversal of 18286048 is 84068281.

It is a junction number, because it is equal to n+sod(n) for n = 18285998 and 18286016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25623 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (1636425).

Almost surely, 2^18286048 is an apocalyptic number.

It is an amenable number.

18286048 is an abundant number, since it is smaller than the sum of its proper divisors (20988152).

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

18286048 is a wasteful number, since it uses less digits than its factorization.

18286048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51970 (or 51962 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 18286048 is about 4276.2188905621. The cubic root of 18286048 is about 263.4551050691.

The spelling of 18286048 in words is "eighteen million, two hundred eighty-six thousand, forty-eight".