18214677 has 24 divisors (see below), whose sum is σ = 28549248. Its totient is φ = 11124000.

The previous prime is 18214631. The next prime is 18214727. The reversal of 18214677 is 77641281.

It is not a de Polignac number, because 18214677 - 2⁶ = 18214613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18214607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17152 + ... + 18182.

It is an arithmetic number, because the mean of its divisors is an integer number (1189552).

Almost surely, 2^18214677 is an apocalyptic number.

It is an amenable number.

18214677 is a deficient number, since it is larger than the sum of its proper divisors (10334571).

18214677 is a wasteful number, since it uses less digits than its factorization.

18214677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1198 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 18214677 is about 4267.8656258134. The cubic root of 18214677 is about 263.1119004129. Note that the first 3 decimals are identical.

The spelling of 18214677 in words is "eighteen million, two hundred fourteen thousand, six hundred seventy-seven".