9128214 has 60 divisors (see below), whose sum is σ = 21499764. Its totient is φ = 2893968.

The previous prime is 9128209. The next prime is 9128219. The reversal of 9128214 is 4128219.

It is an interprime number because it is at equal distance from previous prime (9128209) and next prime (9128219).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9128219) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 136209 + ... + 136275.

Almost surely, 2^9128214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9128214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10749882).

9128214 is an abundant number, since it is smaller than the sum of its proper divisors (12371550).

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

9128214 is a wasteful number, since it uses less digits than its factorization.

9128214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 101 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 9128214 is about 3021.2934316282. The cubic root of 9128214 is about 208.9914909961.

The spelling of 9128214 in words is "nine million, one hundred twenty-eight thousand, two hundred fourteen".