11185864 has 32 divisors (see below), whose sum is σ = 22365720. Its totient is φ = 5226496.

The previous prime is 11185849. The next prime is 11185871. The reversal of 11185864 is 46858111.

It is a happy number.

11185864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9060100 + 2125764 = 3010^2 + 1458^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31512 + ... + 31864.

Almost surely, 2^11185864 is an apocalyptic number.

It is an amenable number.

11185864 is a deficient number, since it is larger than the sum of its proper divisors (11179856).

11185864 is a wasteful number, since it uses less digits than its factorization.

11185864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 605 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 11185864 is about 3344.5274703611. The cubic root of 11185864 is about 223.6436191029.

The spelling of 11185864 in words is "eleven million, one hundred eighty-five thousand, eight hundred sixty-four".