9971343 has 20 divisors (see below), whose sum is σ = 14984640. Its totient is φ = 6607872.

The previous prime is 9971341. The next prime is 9971359. The reversal of 9971343 is 3431799.

It is not a de Polignac number, because 9971343 - 2¹ = 9971341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9971298 and 9971307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20578 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (749232).

Almost surely, 2^9971343 is an apocalyptic number.

9971343 is a deficient number, since it is larger than the sum of its proper divisors (5013297).

9971343 is a wasteful number, since it uses less digits than its factorization.

9971343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 739 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 9971343 is about 3157.7433397919. The cubic root of 9971343 is about 215.2374733207.

The spelling of 9971343 in words is "nine million, nine hundred seventy-one thousand, three hundred forty-three".