9869747 has 4 divisors (see below), whose sum is σ = 10099320. Its totient is φ = 9640176.

The previous prime is 9869711. The next prime is 9869777. The reversal of 9869747 is 7479689.

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 9869747 - 2¹² = 9865651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9869695 and 9869704.

It is not an unprimeable number, because it can be changed into a prime (9869777) 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, 114722 + ... + 114807.

It is an arithmetic number, because the mean of its divisors is an integer number (2524830).

Almost surely, 2^9869747 is an apocalyptic number.

9869747 is a deficient number, since it is larger than the sum of its proper divisors (229573).

9869747 is a wasteful number, since it uses less digits than its factorization.

9869747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229572.

The product of its digits is 762048, while the sum is 50.

The square root of 9869747 is about 3141.6153488293. The cubic root of 9869747 is about 214.5039727730.

The spelling of 9869747 in words is "nine million, eight hundred sixty-nine thousand, seven hundred forty-seven".