9917214 has 8 divisors (see below), whose sum is σ = 19834440. Its totient is φ = 3305736.

The previous prime is 9917207. The next prime is 9917231. The reversal of 9917214 is 4127199.

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

9917214 is an admirable number.

It is a super-2 number, since 2×9917214² = 196702267043592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 826429 + ... + 826440.

It is an arithmetic number, because the mean of its divisors is an integer number (2479305).

Almost surely, 2^9917214 is an apocalyptic number.

9917214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9917214 is a wasteful number, since it uses less digits than its factorization.

9917214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652874.

The product of its digits is 4536, while the sum is 33.

The square root of 9917214 is about 3149.1608406050. The cubic root of 9917214 is about 214.8472973744.

The spelling of 9917214 in words is "nine million, nine hundred seventeen thousand, two hundred fourteen".