9869444 has 12 divisors (see below), whose sum is σ = 18600204. Its totient is φ = 4555104.

The previous prime is 9869443. The next prime is 9869449. The reversal of 9869444 is 4449689.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 9229444 = 800^2 + 3038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9869395 and 9869404.

It is not an unprimeable number, because it can be changed into a prime (9869443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94847 + ... + 94950.

It is an arithmetic number, because the mean of its divisors is an integer number (1550017).

Almost surely, 2^9869444 is an apocalyptic number.

It is an amenable number.

9869444 is a deficient number, since it is larger than the sum of its proper divisors (8730760).

9869444 is a wasteful number, since it uses less digits than its factorization.

9869444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189814 (or 189812 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 9869444 is about 3141.5671248598. The cubic root of 9869444 is about 214.5017776689.

The spelling of 9869444 in words is "nine million, eight hundred sixty-nine thousand, four hundred forty-four".