18684114 has 8 divisors (see below), whose sum is σ = 37368240. Its totient is φ = 6228036.

The previous prime is 18684101. The next prime is 18684121. The reversal of 18684114 is 41148681.

It is a sphenic number, since it is the product of 3 distinct primes.

18684114 is an admirable number.

It is a super-2 number, since 2×18684114² = 698192231929992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 1557004 + ... + 1557015.

It is an arithmetic number, because the mean of its divisors is an integer number (4671030).

Almost surely, 2^18684114 is an apocalyptic number.

18684114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18684114 is a wasteful number, since it uses less digits than its factorization.

18684114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114024.

The product of its digits is 6144, while the sum is 33.

The square root of 18684114 is about 4322.5124638340. The cubic root of 18684114 is about 265.3531023348.

The spelling of 18684114 in words is "eighteen million, six hundred eighty-four thousand, one hundred fourteen".