9099947 has 8 divisors (see below), whose sum is σ = 9730656. Its totient is φ = 8479872.

The previous prime is 9099943. The next prime is 9099949. The reversal of 9099947 is 7499909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9099947 - 2² = 9099943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9099943) 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 7 ways as a sum of consecutive naturals, for example, 848 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (1216332).

Almost surely, 2^9099947 is an apocalyptic number.

9099947 is a deficient number, since it is larger than the sum of its proper divisors (630709).

9099947 is a wasteful number, since it uses less digits than its factorization.

9099947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 9099947 is about 3016.6118411224. The cubic root of 9099947 is about 208.7755425496.

The spelling of 9099947 in words is "nine million, ninety-nine thousand, nine hundred forty-seven".