18830214 has 24 divisors (see below), whose sum is σ = 43937712. Its totient is φ = 5793840.

The previous prime is 18830213. The next prime is 18830219. The reversal of 18830214 is 41203881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18830213) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40002 + ... + 40469.

It is an arithmetic number, because the mean of its divisors is an integer number (1830738).

Almost surely, 2^18830214 is an apocalyptic number.

18830214 is an abundant number, since it is smaller than the sum of its proper divisors (25107498).

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

18830214 is a wasteful number, since it uses less digits than its factorization.

18830214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80492 (or 80489 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18830214 is about 4339.3794487231. The cubic root of 18830214 is about 266.0429481974.

It can be divided in two parts, 18830 and 214, that added together give a square (19044 = 138²).

The spelling of 18830214 in words is "eighteen million, eight hundred thirty thousand, two hundred fourteen".