9857214 has 40 divisors (see below), whose sum is σ = 22424688. Its totient is φ = 3235680.

The previous prime is 9857213. The next prime is 9857251. The reversal of 9857214 is 4127589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9857213) 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 19 ways as a sum of consecutive naturals, for example, 11074 + ... + 11930.

Almost surely, 2^9857214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9857214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11212344).

9857214 is an abundant number, since it is smaller than the sum of its proper divisors (12567474).

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

9857214 is a wasteful number, since it uses less digits than its factorization.

9857214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 933 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 9857214 is about 3139.6200407056. The cubic root of 9857214 is about 214.4131390691.

The spelling of 9857214 in words is "nine million, eight hundred fifty-seven thousand, two hundred fourteen".