9964547 has 8 divisors (see below), whose sum is σ = 10371072. Its totient is φ = 9563400.

The previous prime is 9964501. The next prime is 9964561. The reversal of 9964547 is 7454699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9964547 - 2⁶ = 9964483 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9964498 and 9964507.

It is not an unprimeable number, because it can be changed into a prime (9964597) by changing a digit.

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, 2672 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (1296384).

Almost surely, 2^9964547 is an apocalyptic number.

9964547 is a deficient number, since it is larger than the sum of its proper divisors (406525).

9964547 is a wasteful number, since it uses less digits than its factorization.

9964547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 272160, while the sum is 44.

The square root of 9964547 is about 3156.6670714537. The cubic root of 9964547 is about 215.1885636165.

It can be divided in two parts, 99 and 64547, that added together give a palindrome (64646).

The spelling of 9964547 in words is "nine million, nine hundred sixty-four thousand, five hundred forty-seven".