9736621 has 4 divisors (see below), whose sum is σ = 9777600. Its totient is φ = 9695644.

The previous prime is 9736609. The next prime is 9736627. The reversal of 9736621 is 1266379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9736621 - 2⁵ = 9736589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9736627) 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 3 ways as a sum of consecutive naturals, for example, 20131 + ... + 20608.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400).

Almost surely, 2^9736621 is an apocalyptic number.

It is an amenable number.

9736621 is a deficient number, since it is larger than the sum of its proper divisors (40979).

9736621 is a wasteful number, since it uses less digits than its factorization.

9736621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40978.

The product of its digits is 13608, while the sum is 34.

The square root of 9736621 is about 3120.3559091873. The cubic root of 9736621 is about 213.5351732861.

The spelling of 9736621 in words is "nine million, seven hundred thirty-six thousand, six hundred twenty-one".