9918214 has 8 divisors (see below), whose sum is σ = 14899248. Its totient is φ = 4951800.

The previous prime is 9918199. The next prime is 9918217. The reversal of 9918214 is 4128199.

9918214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9918214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9918217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (1862406).

Almost surely, 2^9918214 is an apocalyptic number.

9918214 is a deficient number, since it is larger than the sum of its proper divisors (4981034).

9918214 is a wasteful number, since it uses less digits than its factorization.

9918214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310.

The product of its digits is 5184, while the sum is 34.

The square root of 9918214 is about 3149.3196090584. The cubic root of 9918214 is about 214.8545184910.

The spelling of 9918214 in words is "nine million, nine hundred eighteen thousand, two hundred fourteen".