11858266 has 32 divisors (see below), whose sum is σ = 21184128. Its totient is φ = 4872960.

The previous prime is 11858243. The next prime is 11858267. The reversal of 11858266 is 66285811.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11858267) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41761 + ... + 42043.

It is an arithmetic number, because the mean of its divisors is an integer number (662004).

Almost surely, 2^11858266 is an apocalyptic number.

11858266 is a deficient number, since it is larger than the sum of its proper divisors (9325862).

11858266 is a wasteful number, since it uses less digits than its factorization.

11858266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 23040, while the sum is 37.

The square root of 11858266 is about 3443.5833081254. The cubic root of 11858266 is about 228.0379156191.

The spelling of 11858266 in words is "eleven million, eight hundred fifty-eight thousand, two hundred sixty-six".