9969371 has 4 divisors (see below), whose sum is σ = 10012392. Its totient is φ = 9926352.

The previous prime is 9969367. The next prime is 9969397. The reversal of 9969371 is 1739699.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9969371 - 2² = 9969367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9969331) 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 3 ways as a sum of consecutive naturals, for example, 21161 + ... + 21626.

It is an arithmetic number, because the mean of its divisors is an integer number (2503098).

Almost surely, 2^9969371 is an apocalyptic number.

9969371 is a deficient number, since it is larger than the sum of its proper divisors (43021).

9969371 is a wasteful number, since it uses less digits than its factorization.

9969371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43020.

The product of its digits is 91854, while the sum is 44.

The square root of 9969371 is about 3157.4310760490. The cubic root of 9969371 is about 215.2232834474.

It can be divided in two parts, 99693 and 71, that multiplied together give a triangular number (7078203 = T₃₇₆₂).

The spelling of 9969371 in words is "nine million, nine hundred sixty-nine thousand, three hundred seventy-one".