11398266 has 64 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 3337200.

The previous prime is 11398259. The next prime is 11398291. The reversal of 11398266 is 66289311.

11398266 is a `hidden beast` number, since 1 + 1 + 398 + 266 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11398266.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18105 + ... + 18723.

It is an arithmetic number, because the mean of its divisors is an integer number (446400).

Almost surely, 2^11398266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11398266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14284800).

11398266 is an abundant number, since it is smaller than the sum of its proper divisors (17171334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11398266 is a wasteful number, since it uses less digits than its factorization.

11398266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 666 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 11398266 is about 3376.1318102231. The cubic root of 11398266 is about 225.0502998655.

It can be divided in two parts, 11398 and 266, that added together give a square (11664 = 108²).

The spelling of 11398266 in words is "eleven million, three hundred ninety-eight thousand, two hundred sixty-six".