9521872 has 10 divisors (see below), whose sum is σ = 18448658. Its totient is φ = 4760928.

The previous prime is 9521857. The next prime is 9521873. The reversal of 9521872 is 2781259.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 10816 = 3084^2 + 104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9521873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297543 + ... + 297574.

Almost surely, 2^9521872 is an apocalyptic number.

It is an amenable number.

9521872 is a deficient number, since it is larger than the sum of its proper divisors (8926786).

9521872 is a wasteful number, since it uses less digits than its factorization.

9521872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595125 (or 595119 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 9521872 is about 3085.7530685393. The cubic root of 9521872 is about 211.9535913604.

The spelling of 9521872 in words is "nine million, five hundred twenty-one thousand, eight hundred seventy-two".