9681572 has 12 divisors (see below), whose sum is σ = 17012016. Its totient is φ = 4821000.

The previous prime is 9681571. The next prime is 9681587. The reversal of 9681572 is 2751869.

9681572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9681571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3818 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (1417668).

Almost surely, 2^9681572 is an apocalyptic number.

It is an amenable number.

9681572 is a deficient number, since it is larger than the sum of its proper divisors (7330444).

9681572 is a wasteful number, since it uses less digits than its factorization.

9681572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9896 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 9681572 is about 3111.5224569333. The cubic root of 9681572 is about 213.1319834142.

The spelling of 9681572 in words is "nine million, six hundred eighty-one thousand, five hundred seventy-two".