18782114 has 8 divisors (see below), whose sum is σ = 30340380. Its totient is φ = 8668656.

The previous prime is 18782107. The next prime is 18782123. The reversal of 18782114 is 41128781.

It can be written as a sum of positive squares in 2 ways, for example, as 18774889 + 7225 = 4333^2 + 85^2 .

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

It is a Curzon 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, 361169 + ... + 361220.

Almost surely, 2^18782114 is an apocalyptic number.

18782114 is a deficient number, since it is larger than the sum of its proper divisors (11558266).

18782114 is a wasteful number, since it uses less digits than its factorization.

18782114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722404.

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

The square root of 18782114 is about 4333.8336377854. The cubic root of 18782114 is about 265.8162278629.

The spelling of 18782114 in words is "eighteen million, seven hundred eighty-two thousand, one hundred fourteen".