9728266 has 16 divisors (see below), whose sum is σ = 15593760. Its totient is φ = 4538160.

The previous prime is 9728263. The next prime is 9728269. The reversal of 9728266 is 6628279.

It is an interprime number because it is at equal distance from previous prime (9728263) and next prime (9728269).

It is not an unprimeable number, because it can be changed into a prime (9728261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 4456.

It is an arithmetic number, because the mean of its divisors is an integer number (974610).

Almost surely, 2^9728266 is an apocalyptic number.

9728266 is a deficient number, since it is larger than the sum of its proper divisors (5865494).

9728266 is a wasteful number, since it uses less digits than its factorization.

9728266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its digits is 72576, while the sum is 40.

The square root of 9728266 is about 3119.0168322726. The cubic root of 9728266 is about 213.4740775896.

The spelling of 9728266 in words is "nine million, seven hundred twenty-eight thousand, two hundred sixty-six".