9947306 has 4 divisors (see below), whose sum is σ = 14920962. Its totient is φ = 4973652.

The previous prime is 9947303. The next prime is 9947321. The reversal of 9947306 is 6037499.

9947306 is digitally balanced in base 2, 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 can be written as a sum of positive squares in only one way, i.e., 6046681 + 3900625 = 2459^2 + 1975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9947306.

It is not an unprimeable number, because it can be changed into a prime (9947303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486825 + ... + 2486828.

Almost surely, 2^9947306 is an apocalyptic number.

9947306 is a deficient number, since it is larger than the sum of its proper divisors (4973656).

9947306 is a wasteful number, since it uses less digits than its factorization.

9947306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973655.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 9947306 is about 3153.9350025008. The cubic root of 9947306 is about 215.0643830978.

The spelling of 9947306 in words is "nine million, nine hundred forty-seven thousand, three hundred six".