10644047 has 4 divisors (see below), whose sum is σ = 11204280. Its totient is φ = 10083816.

The previous prime is 10644041. The next prime is 10644077. The reversal of 10644047 is 74044601.

10644047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10644047 - 2⁸ = 10643791 is a prime.

It is a super-2 number, since 2×10644047² = 226591473076418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280088 + ... + 280125.

It is an arithmetic number, because the mean of its divisors is an integer number (2801070).

Almost surely, 2^10644047 is an apocalyptic number.

10644047 is a deficient number, since it is larger than the sum of its proper divisors (560233).

10644047 is an equidigital number, since it uses as much as digits as its factorization.

10644047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560232.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 10644047 is about 3262.5215708099. The cubic root of 10644047 is about 219.9727721124.

Adding to 10644047 its reverse (74044601), we get a palindrome (84688648).

The spelling of 10644047 in words is "ten million, six hundred forty-four thousand, forty-seven".