9969387 has 4 divisors (see below), whose sum is σ = 13292520. Its totient is φ = 6646256.

The previous prime is 9969367. The next prime is 9969397. The reversal of 9969387 is 7839699.

9969387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9969387 - 2¹⁰ = 9968363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9969367) 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, 1661562 + ... + 1661567.

It is an arithmetic number, because the mean of its divisors is an integer number (3323130).

Almost surely, 2^9969387 is an apocalyptic number.

9969387 is a deficient number, since it is larger than the sum of its proper divisors (3323133).

9969387 is a wasteful number, since it uses less digits than its factorization.

9969387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323132.

The product of its digits is 734832, while the sum is 51.

The square root of 9969387 is about 3157.4336097533. The cubic root of 9969387 is about 215.2233985858.

The spelling of 9969387 in words is "nine million, nine hundred sixty-nine thousand, three hundred eighty-seven".