10009844 has 12 divisors (see below), whose sum is σ = 18864804. Its totient is φ = 4619904.

The previous prime is 10009823. The next prime is 10009871. The reversal of 10009844 is 44890001.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 4153444 = 2420^2 + 2038^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96197 + ... + 96300.

It is an arithmetic number, because the mean of its divisors is an integer number (1572067).

Almost surely, 2^10009844 is an apocalyptic number.

It is an amenable number.

10009844 is a deficient number, since it is larger than the sum of its proper divisors (8854960).

10009844 is a wasteful number, since it uses less digits than its factorization.

10009844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192514 (or 192512 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10009844 is about 3163.8337503731. The cubic root of 10009844 is about 215.5141400024.

Adding to 10009844 its reverse (44890001), we get a palindrome (54899845).

The spelling of 10009844 in words is "ten million, nine thousand, eight hundred forty-four".