9967284 has 18 divisors (see below), whose sum is σ = 25195170. Its totient is φ = 3322416.

The previous prime is 9967277. The next prime is 9967289. The reversal of 9967284 is 4827699.

It is a happy number.

9967284 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 2250000 = 2778^2 + 1500^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138399 + ... + 138470.

Almost surely, 2^9967284 is an apocalyptic number.

It is an amenable number.

9967284 is an abundant number, since it is smaller than the sum of its proper divisors (15227886).

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

9967284 is a wasteful number, since it uses less digits than its factorization.

9967284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276879 (or 276874 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 9967284 is about 3157.1005685597. The cubic root of 9967284 is about 215.2082640331.

The spelling of 9967284 in words is "nine million, nine hundred sixty-seven thousand, two hundred eighty-four".