18941214 has 16 divisors (see below), whose sum is σ = 39876480. Its totient is φ = 5981400.

The previous prime is 18941207. The next prime is 18941227. The reversal of 18941214 is 41214981.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82962 + ... + 83189.

It is an arithmetic number, because the mean of its divisors is an integer number (2492280).

Almost surely, 2^18941214 is an apocalyptic number.

18941214 is an abundant number, since it is smaller than the sum of its proper divisors (20935266).

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

18941214 is a wasteful number, since it uses less digits than its factorization.

18941214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166175.

The product of its digits is 2304, while the sum is 30.

The square root of 18941214 is about 4352.1505029123. The cubic root of 18941214 is about 266.5646794025.

The spelling of 18941214 in words is "eighteen million, nine hundred forty-one thousand, two hundred fourteen".