9621572 has 6 divisors (see below), whose sum is σ = 16837758. Its totient is φ = 4810784.

The previous prime is 9621571. The next prime is 9621589. The reversal of 9621572 is 2751269.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 2353156 = 2696^2 + 1534^2 .

It is not an unprimeable number, because it can be changed into a prime (9621571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202693 + ... + 1202700.

It is an arithmetic number, because the mean of its divisors is an integer number (2806293).

Almost surely, 2^9621572 is an apocalyptic number.

It is an amenable number.

9621572 is a deficient number, since it is larger than the sum of its proper divisors (7216186).

9621572 is a wasteful number, since it uses less digits than its factorization.

9621572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405397 (or 2405395 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 9621572 is about 3101.8658900733. The cubic root of 9621572 is about 212.6907869031.

The spelling of 9621572 in words is "nine million, six hundred twenty-one thousand, five hundred seventy-two".