18704214 has 24 divisors (see below), whose sum is σ = 41389920. Its totient is φ = 6101808.

The previous prime is 18704201. The next prime is 18704243. The reversal of 18704214 is 41240781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10209 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (1724580).

Almost surely, 2^18704214 is an apocalyptic number.

18704214 is an abundant number, since it is smaller than the sum of its proper divisors (22685706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18704214 is a wasteful number, since it uses less digits than its factorization.

18704214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22164 (or 22161 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 18704214 is about 4324.8368755365. The cubic root of 18704214 is about 265.4482221052.

Adding to 18704214 its reverse (41240781), we get a palindrome (59944995).

It can be divided in two parts, 1870 and 4214, that added together give a square (6084 = 78²).

The spelling of 18704214 in words is "eighteen million, seven hundred four thousand, two hundred fourteen".