18823814 has 8 divisors (see below), whose sum is σ = 28384128. Its totient is φ = 9362440.

The previous prime is 18823799. The next prime is 18823841. The reversal of 18823814 is 41832881.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24257 + ... + 25020.

It is an arithmetic number, because the mean of its divisors is an integer number (3548016).

Almost surely, 2^18823814 is an apocalyptic number.

18823814 is a deficient number, since it is larger than the sum of its proper divisors (9560314).

18823814 is a wasteful number, since it uses less digits than its factorization.

18823814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49470.

The product of its digits is 12288, while the sum is 35.

The square root of 18823814 is about 4338.6419534228. The cubic root of 18823814 is about 266.0128039515.

The spelling of 18823814 in words is "eighteen million, eight hundred twenty-three thousand, eight hundred fourteen".