9214891 has 12 divisors (see below), whose sum is σ = 10788960. Its totient is φ = 7847280.

The previous prime is 9214889. The next prime is 9214897. The reversal of 9214891 is 1984129.

It is not a de Polignac number, because 9214891 - 2¹ = 9214889 is a prime.

It is a super-2 number, since 2×9214891² = 169828432283762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9214897) 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, 8350 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (899080).

Almost surely, 2^9214891 is an apocalyptic number.

9214891 is a deficient number, since it is larger than the sum of its proper divisors (1574069).

9214891 is a wasteful number, since it uses less digits than its factorization.

9214891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1227 counting only the distinct ones).

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

The square root of 9214891 is about 3035.6038937912. The cubic root of 9214891 is about 209.6509014708.

The spelling of 9214891 in words is "nine million, two hundred fourteen thousand, eight hundred ninety-one".