18278114 has 8 divisors (see below), whose sum is σ = 28860240. Its totient is φ = 8658036.

The previous prime is 18278081. The next prime is 18278131. The reversal of 18278114 is 41187281.

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

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, 240464 + ... + 240539.

It is an arithmetic number, because the mean of its divisors is an integer number (3607530).

Almost surely, 2^18278114 is an apocalyptic number.

18278114 is a deficient number, since it is larger than the sum of its proper divisors (10582126).

18278114 is a wasteful number, since it uses less digits than its factorization.

18278114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481024.

The product of its digits is 3584, while the sum is 32.

The square root of 18278114 is about 4275.2911012000. The cubic root of 18278114 is about 263.4169966857.

The spelling of 18278114 in words is "eighteen million, two hundred seventy-eight thousand, one hundred fourteen".