10006645 has 16 divisors (see below), whose sum is σ = 13524480. Its totient is φ = 7041600.

The previous prime is 10006643. The next prime is 10006649. The reversal of 10006645 is 54660001.

It is not a de Polignac number, because 10006645 - 2¹ = 10006643 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 4639.

It is an arithmetic number, because the mean of its divisors is an integer number (845280).

Almost surely, 2^10006645 is an apocalyptic number.

It is an amenable number.

10006645 is a deficient number, since it is larger than the sum of its proper divisors (3517835).

10006645 is a wasteful number, since it uses less digits than its factorization.

10006645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10006645 is about 3163.3281524369. The cubic root of 10006645 is about 215.4911791653.

Adding to 10006645 its reverse (54660001), we get a palindrome (64666646).

The spelling of 10006645 in words is "ten million, six thousand, six hundred forty-five".