9739228 has 12 divisors (see below), whose sum is σ = 17213112. Its totient is φ = 4821200.

The previous prime is 9739217. The next prime is 9739237. The reversal of 9739228 is 8229379.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9 + 7⁷ + 3⁷ + 9² + 2¹⁹ + 2²³ + 8³ .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11650 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (1434426).

Almost surely, 2^9739228 is an apocalyptic number.

It is an amenable number.

9739228 is a deficient number, since it is larger than the sum of its proper divisors (7473884).

9739228 is a wasteful number, since it uses less digits than its factorization.

9739228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24212 (or 24210 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 9739228 is about 3120.7736220367. The cubic root of 9739228 is about 213.5542297438.

It can be divided in two parts, 973 and 9228, that added together give a palindrome (10201).

The spelling of 9739228 in words is "nine million, seven hundred thirty-nine thousand, two hundred twenty-eight".