9797644 has 24 divisors (see below), whose sum is σ = 18295200. Its totient is φ = 4574976.

The previous prime is 9797603. The next prime is 9797651. The reversal of 9797644 is 4467979.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9797594 and 9797603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9649 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (762300).

Almost surely, 2^9797644 is an apocalyptic number.

It is an amenable number.

9797644 is a deficient number, since it is larger than the sum of its proper divisors (8497556).

9797644 is a wasteful number, since it uses less digits than its factorization.

9797644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 9797644 is about 3130.1188475839. The cubic root of 9797644 is about 213.9803458236.

The spelling of 9797644 in words is "nine million, seven hundred ninety-seven thousand, six hundred forty-four".