9952645 has 4 divisors (see below), whose sum is σ = 11943180. Its totient is φ = 7962112.

The previous prime is 9952589. The next prime is 9952661. The reversal of 9952645 is 5462599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3265249 + 6687396 = 1807^2 + 2586^2 .

It is a cyclic number.

It is not a de Polignac number, because 9952645 - 2¹⁹ = 9428357 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9952598 and 9952607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995260 + ... + 995269.

It is an arithmetic number, because the mean of its divisors is an integer number (2985795).

Almost surely, 2^9952645 is an apocalyptic number.

It is an amenable number.

9952645 is a deficient number, since it is larger than the sum of its proper divisors (1990535).

9952645 is a wasteful number, since it uses less digits than its factorization.

9952645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990534.

The product of its digits is 97200, while the sum is 40.

The square root of 9952645 is about 3154.7812919440. The cubic root of 9952645 is about 215.1028532583.

The spelling of 9952645 in words is "nine million, nine hundred fifty-two thousand, six hundred forty-five".