18538114 has 8 divisors (see below), whose sum is σ = 31779648. Its totient is φ = 7944900.

The previous prime is 18538111. The next prime is 18538123. The reversal of 18538114 is 41183581.

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 (18538111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662062 + ... + 662089.

It is an arithmetic number, because the mean of its divisors is an integer number (3972456).

Almost surely, 2^18538114 is an apocalyptic number.

18538114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18538114 is a deficient number, since it is larger than the sum of its proper divisors (13241534).

18538114 is a wasteful number, since it uses less digits than its factorization.

18538114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324160.

The product of its digits is 3840, while the sum is 31.

The square root of 18538114 is about 4305.5910163414. The cubic root of 18538114 is about 264.6601267629.

The spelling of 18538114 in words is "eighteen million, five hundred thirty-eight thousand, one hundred fourteen".