18247064 has 32 divisors (see below), whose sum is σ = 37711440. Its totient is φ = 8208000.

The previous prime is 18247043. The next prime is 18247067. The reversal of 18247064 is 46074281.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 18247064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18247067) 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, 7862 + ... + 9914.

Almost surely, 2^18247064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18247064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18855720).

18247064 is an abundant number, since it is smaller than the sum of its proper divisors (19464376).

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

18247064 is a wasteful number, since it uses less digits than its factorization.

18247064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 18247064 is about 4271.6582260289. The cubic root of 18247064 is about 263.2677520108.

It can be divided in two parts, 1824 and 7064, that added together give a palindrome (8888).

The spelling of 18247064 in words is "eighteen million, two hundred forty-seven thousand, sixty-four".