9947672 has 32 divisors (see below), whose sum is σ = 21897120. Its totient is φ = 4147200.

The previous prime is 9947671. The next prime is 9947719. The reversal of 9947672 is 2767499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9947671) 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 7 ways as a sum of consecutive naturals, for example, 329 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (684285).

Almost surely, 2^9947672 is an apocalyptic number.

It is an amenable number.

9947672 is an abundant number, since it is smaller than the sum of its proper divisors (11949448).

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

9947672 is a wasteful number, since it uses less digits than its factorization.

9947672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4847 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 9947672 is about 3153.9930247228. The cubic root of 9947672 is about 215.0670207500.

Adding to 9947672 its sum of digits (44), we get a square (9947716 = 3154²).

The spelling of 9947672 in words is "nine million, nine hundred forty-seven thousand, six hundred seventy-two".