9381284 has 24 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 4220000.

The previous prime is 9381283. The next prime is 9381287. The reversal of 9381284 is 4821839.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9381283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (753984).

Almost surely, 2^9381284 is an apocalyptic number.

It is an amenable number.

9381284 is a deficient number, since it is larger than the sum of its proper divisors (8714332).

9381284 is a wasteful number, since it uses less digits than its factorization.

9381284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2225 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 9381284 is about 3062.8881794803. Note that the first 3 decimals coincide. The cubic root of 9381284 is about 210.9052680774.

It can be divided in two parts, 938 and 1284, that added together give a palindrome (2222).

The spelling of 9381284 in words is "nine million, three hundred eighty-one thousand, two hundred eighty-four".