18814064 has 20 divisors (see below), whose sum is σ = 36622656. Its totient is φ = 9363072.

The previous prime is 18814063. The next prime is 18814079. The reversal of 18814064 is 46041881.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18814064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18814063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932 + ... + 6204.

Almost surely, 2^18814064 is an apocalyptic number.

It is an amenable number.

18814064 is a deficient number, since it is larger than the sum of its proper divisors (17808592).

18814064 is a wasteful number, since it uses less digits than its factorization.

18814064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18814064 is about 4337.5181843999. The cubic root of 18814064 is about 265.9668679407.

The spelling of 18814064 in words is "eighteen million, eight hundred fourteen thousand, sixty-four".