10006646 has 16 divisors (see below), whose sum is σ = 16362864. Its totient is φ = 4561824.

The previous prime is 10006643. The next prime is 10006649. The reversal of 10006646 is 64660001.

It is an interprime number because it is at equal distance from previous prime (10006643) and next prime (10006649).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10006643) 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 7 ways as a sum of consecutive naturals, for example, 161 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (1022679).

Almost surely, 2^10006646 is an apocalyptic number.

10006646 is a deficient number, since it is larger than the sum of its proper divisors (6356218).

10006646 is a wasteful number, since it uses less digits than its factorization.

10006646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 10006646 is about 3163.3283104983. The cubic root of 10006646 is about 215.4911863436.

Adding to 10006646 its reverse (64660001), we get a palindrome (74666647).

The spelling of 10006646 in words is "ten million, six thousand, six hundred forty-six".