11089973 has 8 divisors (see below), whose sum is σ = 11456088. Its totient is φ = 10727424.

The previous prime is 11089963. The next prime is 11089997. The reversal of 11089973 is 37998011.

It can be written as a sum of positive squares in 4 ways, for example, as 702244 + 10387729 = 838^2 + 3223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11089973 - 2⁴ = 11089957 is a prime.

It is a super-2 number, since 2×11089973² = 245975002281458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11089943) 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, 6365 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (1432011).

Almost surely, 2^11089973 is an apocalyptic number.

It is an amenable number.

11089973 is a deficient number, since it is larger than the sum of its proper divisors (366115).

11089973 is a wasteful number, since it uses less digits than its factorization.

11089973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11089973 is about 3330.1611072139. The cubic root of 11089973 is about 223.0027213835.

The spelling of 11089973 in words is "eleven million, eighty-nine thousand, nine hundred seventy-three".