10989844 has 12 divisors (see below), whose sum is σ = 19299924. Its totient is φ = 5475584.

The previous prime is 10989817. The next prime is 10989857. The reversal of 10989844 is 44898901.

It can be written as a sum of positive squares in 2 ways, for example, as 6061444 + 4928400 = 2462^2 + 2220^2 .

It is a super-2 number, since 2×10989844² = 241553342288672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10989844.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3517 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (1608327).

Almost surely, 2^10989844 is an apocalyptic number.

It is an amenable number.

10989844 is a deficient number, since it is larger than the sum of its proper divisors (8310080).

10989844 is a wasteful number, since it uses less digits than its factorization.

10989844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 10989844 is about 3315.0933621845. The cubic root of 10989844 is about 222.3295433096.

The spelling of 10989844 in words is "ten million, nine hundred eighty-nine thousand, eight hundred forty-four".