18389114 has 8 divisors (see below), whose sum is σ = 27604020. Its totient is φ = 9187776.

The previous prime is 18389101. The next prime is 18389117. The reversal of 18389114 is 41198381.

It can be written as a sum of positive squares in 2 ways, for example, as 18361225 + 27889 = 4285^2 + 167^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18389117) 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, 1292 + ... + 6200.

Almost surely, 2^18389114 is an apocalyptic number.

18389114 is a deficient number, since it is larger than the sum of its proper divisors (9214906).

18389114 is a wasteful number, since it uses less digits than its factorization.

18389114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784.

The product of its digits is 6912, while the sum is 35.

The square root of 18389114 is about 4288.2530242513. The cubic root of 18389114 is about 263.9491503686.

The spelling of 18389114 in words is "eighteen million, three hundred eighty-nine thousand, one hundred fourteen".