11089917 has 6 divisors (see below), whose sum is σ = 16018782. Its totient is φ = 7393272.

The previous prime is 11089891. The next prime is 11089931. The reversal of 11089917 is 71998011.

It can be written as a sum of positive squares in only one way, i.e., 7322436 + 3767481 = 2706^2 + 1941^2 .

It is not a de Polignac number, because 11089917 - 2⁷ = 11089789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11089957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616098 + ... + 616115.

It is an arithmetic number, because the mean of its divisors is an integer number (2669797).

Almost surely, 2^11089917 is an apocalyptic number.

It is an amenable number.

11089917 is a deficient number, since it is larger than the sum of its proper divisors (4928865).

11089917 is a wasteful number, since it uses less digits than its factorization.

11089917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232219 (or 1232216 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 11089917 is about 3330.1526992016. The cubic root of 11089917 is about 223.0023460242.

It can be divided in two parts, 1108 and 9917, that added together give a square (11025 = 105²).

The spelling of 11089917 in words is "eleven million, eighty-nine thousand, nine hundred seventeen".