9407971 has 2 divisors, whose sum is σ = 9407972. Its totient is φ = 9407970.

The previous prime is 9407941. The next prime is 9408011. The reversal of 9407971 is 1797049.

It is a weak prime.

It is an emirp because it is prime and its reverse (1797049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9407971 - 2⁷ = 9407843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9407971.

It is not a weakly prime, because it can be changed into another prime (9407941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4703985 + 4703986.

It is an arithmetic number, because the mean of its divisors is an integer number (4703986).

Almost surely, 2^9407971 is an apocalyptic number.

9407971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9407971 is an equidigital number, since it uses as much as digits as its factorization.

9407971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 9407971 is about 3067.2415946580. The cubic root of 9407971 is about 211.1050666065.

It can be divided in two parts, 940 and 7971, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 9407971 in words is "nine million, four hundred seven thousand, nine hundred seventy-one".