9964406 has 4 divisors (see below), whose sum is σ = 14946612. Its totient is φ = 4982202.

The previous prime is 9964403. The next prime is 9964439. The reversal of 9964406 is 6044699.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9964406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964403) 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 as a sum of consecutive naturals, namely, 2491100 + ... + 2491103.

It is an arithmetic number, because the mean of its divisors is an integer number (3736653).

Almost surely, 2^9964406 is an apocalyptic number.

9964406 is a deficient number, since it is larger than the sum of its proper divisors (4982206).

9964406 is a wasteful number, since it uses less digits than its factorization.

9964406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982205.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 9964406 is about 3156.6447376922. The cubic root of 9964406 is about 215.1875486271.

The spelling of 9964406 in words is "nine million, nine hundred sixty-four thousand, four hundred six".