9997263 has 12 divisors (see below), whose sum is σ = 14975688. Its totient is φ = 6664680.

The previous prime is 9997237. The next prime is 9997291. The reversal of 9997263 is 3627999.

It is not a de Polignac number, because 9997263 - 2⁸ = 9997007 is a prime.

It is a d-powerful number, because it can be written as 9³ + 9⁷ + 9⁷ + 7⁶ + 2¹⁵ + 6⁷ + 3⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997063) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20328 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (1247974).

Almost surely, 2^9997263 is an apocalyptic number.

9997263 is a deficient number, since it is larger than the sum of its proper divisors (4978425).

9997263 is an equidigital number, since it uses as much as digits as its factorization.

9997263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41156 (or 41144 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9997263 is about 3161.8448728551. The cubic root of 9997263 is about 215.4238115838.

The spelling of 9997263 in words is "nine million, nine hundred ninety-seven thousand, two hundred sixty-three".