9736643 has 12 divisors (see below), whose sum is σ = 11436480. Its totient is φ = 8264592.

The previous prime is 9736627. The next prime is 9736651. The reversal of 9736643 is 3466379.

It is a happy number.

It is not a de Polignac number, because 9736643 - 2⁴ = 9736627 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9736597 and 9736606.

It is not an unprimeable number, because it can be changed into a prime (9736603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4430 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (953040).

Almost surely, 2^9736643 is an apocalyptic number.

9736643 is a deficient number, since it is larger than the sum of its proper divisors (1699837).

9736643 is a wasteful number, since it uses less digits than its factorization.

9736643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1939 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 9736643 is about 3120.3594344242. The cubic root of 9736643 is about 213.5353341143.

The spelling of 9736643 in words is "nine million, seven hundred thirty-six thousand, six hundred forty-three".