9543971 has 4 divisors (see below), whose sum is σ = 9550944. Its totient is φ = 9537000.

The previous prime is 9543901. The next prime is 9543983. The reversal of 9543971 is 1793459.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9543971 - 2¹⁴ = 9527587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9543901) 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, 680 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (2387736).

Almost surely, 2^9543971 is an apocalyptic number.

9543971 is a deficient number, since it is larger than the sum of its proper divisors (6973).

9543971 is a wasteful number, since it uses less digits than its factorization.

9543971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972.

The product of its digits is 34020, while the sum is 38.

The square root of 9543971 is about 3089.3318047759. The cubic root of 9543971 is about 212.1174367143.

The spelling of 9543971 in words is "nine million, five hundred forty-three thousand, nine hundred seventy-one".