18849914 has 32 divisors (see below), whose sum is σ = 30433536. Its totient is φ = 8743680.

The previous prime is 18849899. The next prime is 18849959. The reversal of 18849914 is 41994881.

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 15 ways as a sum of consecutive naturals, for example, 258182 + ... + 258254.

It is an arithmetic number, because the mean of its divisors is an integer number (951048).

Almost surely, 2^18849914 is an apocalyptic number.

18849914 is a deficient number, since it is larger than the sum of its proper divisors (11583622).

18849914 is a wasteful number, since it uses less digits than its factorization.

18849914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 82944, while the sum is 44.

The square root of 18849914 is about 4341.6487651582. The cubic root of 18849914 is about 266.1356931060.

The spelling of 18849914 in words is "eighteen million, eight hundred forty-nine thousand, nine hundred fourteen".