9947152 has 10 divisors (see below), whose sum is σ = 19272638. Its totient is φ = 4973568.

The previous prime is 9947141. The next prime is 9947153. The reversal of 9947152 is 2517499.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 4857616 = 2256^2 + 2204^2 .

It is a super-2 number, since 2×9947152² = 197891665822208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9947153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310833 + ... + 310864.

Almost surely, 2^9947152 is an apocalyptic number.

It is an amenable number.

9947152 is a deficient number, since it is larger than the sum of its proper divisors (9325486).

9947152 is a wasteful number, since it uses less digits than its factorization.

9947152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621705 (or 621699 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 9947152 is about 3153.9105884600. The cubic root of 9947152 is about 215.0632732467.

The spelling of 9947152 in words is "nine million, nine hundred forty-seven thousand, one hundred fifty-two".