18264814 has 16 divisors (see below), whose sum is σ = 29191680. Its totient is φ = 8546040.

The previous prime is 18264781. The next prime is 18264823. The reversal of 18264814 is 41846281.

It is a self number, because there is not a number n which added to its sum of digits gives 18264814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1824480).

Almost surely, 2^18264814 is an apocalyptic number.

18264814 is a deficient number, since it is larger than the sum of its proper divisors (10926866).

18264814 is a wasteful number, since it uses less digits than its factorization.

18264814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895.

The product of its digits is 12288, while the sum is 34.

The square root of 18264814 is about 4273.7353685038. The cubic root of 18264814 is about 263.3530897246.

The spelling of 18264814 in words is "eighteen million, two hundred sixty-four thousand, eight hundred fourteen".