9389971 has 12 divisors (see below), whose sum is σ = 10186680. Its totient is φ = 8655336.

The previous prime is 9389951. The next prime is 9389977. The reversal of 9389971 is 1799839.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9389971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9389971 - 2⁹ = 9389459 is a prime.

It is a Duffinian number.

Its product of digits (122472) is a multiple of the sum of its prime divisors (56).

It is not an unprimeable number, because it can be changed into a prime (9389977) 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, 253765 + ... + 253801.

It is an arithmetic number, because the mean of its divisors is an integer number (848890).

Almost surely, 2^9389971 is an apocalyptic number.

9389971 is a deficient number, since it is larger than the sum of its proper divisors (796709).

9389971 is an frugal number, since it uses more digits than its factorization.

9389971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 56 counting only the distinct ones).

The product of its digits is 122472, while the sum is 46.

The square root of 9389971 is about 3064.3059573091. The cubic root of 9389971 is about 210.9703469031.

The spelling of 9389971 in words is "nine million, three hundred eighty-nine thousand, nine hundred seventy-one".