9643249 has 12 divisors (see below), whose sum is σ = 12238128. Its totient is φ = 7513800.

The previous prime is 9643247. The next prime is 9643259. The reversal of 9643249 is 9423469.

It is not a de Polignac number, because 9643249 - 2¹ = 9643247 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9643247) 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 11 ways as a sum of consecutive naturals, for example, 8407 + ... + 9484.

It is an arithmetic number, because the mean of its divisors is an integer number (1019844).

Almost surely, 2^9643249 is an apocalyptic number.

It is an amenable number.

9643249 is a deficient number, since it is larger than the sum of its proper divisors (2594879).

9643249 is a wasteful number, since it uses less digits than its factorization.

9643249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916 (or 17909 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 9643249 is about 3105.3581113939. The cubic root of 9643249 is about 212.8503949206.

It can be divided in two parts, 964324 and 9, that multiplied together give a square (8678916 = 2946²).

The spelling of 9643249 in words is "nine million, six hundred forty-three thousand, two hundred forty-nine".