11290286 has 24 divisors (see below), whose sum is σ = 20561040. Its totient is φ = 4627392.

The previous prime is 11290277. The next prime is 11290289. The reversal of 11290286 is 68209211.

11290286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (856710).

Almost surely, 2^11290286 is an apocalyptic number.

11290286 is a deficient number, since it is larger than the sum of its proper divisors (9270754).

11290286 is a wasteful number, since it uses less digits than its factorization.

11290286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11290286 is about 3360.1020817826. The cubic root of 11290286 is about 224.3373822147.

Adding to 11290286 its reverse (68209211), we get a palindrome (79499497).

The spelling of 11290286 in words is "eleven million, two hundred ninety thousand, two hundred eighty-six".