9947472 has 20 divisors (see below), whose sum is σ = 25697760. Its totient is φ = 3315808.

The previous prime is 9947437. The next prime is 9947473. The reversal of 9947472 is 2747499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9947473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103572 + ... + 103667.

It is an arithmetic number, because the mean of its divisors is an integer number (1284888).

Almost surely, 2^9947472 is an apocalyptic number.

It is an amenable number.

9947472 is an abundant number, since it is smaller than the sum of its proper divisors (15750288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9947472 is a wasteful number, since it uses less digits than its factorization.

9947472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207250 (or 207244 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 9947472 is about 3153.9613187229. The cubic root of 9947472 is about 215.0655794180.

The spelling of 9947472 in words is "nine million, nine hundred forty-seven thousand, four hundred seventy-two".