18714386 has 8 divisors (see below), whose sum is σ = 28387260. Its totient is φ = 9251968.

The previous prime is 18714361. The next prime is 18714419. The reversal of 18714386 is 68341781.

It can be written as a sum of positive squares in 2 ways, for example, as 15405625 + 3308761 = 3925^2 + 1819^2 .

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

It is a super-3 number, since 3×18714386³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52391 + ... + 52746.

Almost surely, 2^18714386 is an apocalyptic number.

18714386 is a deficient number, since it is larger than the sum of its proper divisors (9672874).

18714386 is a wasteful number, since it uses less digits than its factorization.

18714386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105228.

The product of its digits is 32256, while the sum is 38.

The square root of 18714386 is about 4326.0127138047. The cubic root of 18714386 is about 265.4963333666.

The spelling of 18714386 in words is "eighteen million, seven hundred fourteen thousand, three hundred eighty-six".