11640194 has 16 divisors (see below), whose sum is σ = 18257400. Its totient is φ = 5558784.

The previous prime is 11640151. The next prime is 11640199. The reversal of 11640194 is 49104611.

It can be written as a sum of positive squares in 4 ways, for example, as 7980625 + 3659569 = 2825^2 + 1913^2 .

It is not an unprimeable number, because it can be changed into a prime (11640199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4592 + ... + 6660.

Almost surely, 2^11640194 is an apocalyptic number.

11640194 is a deficient number, since it is larger than the sum of its proper divisors (6617206).

11640194 is a wasteful number, since it uses less digits than its factorization.

11640194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11640194 is about 3411.7728529314. The cubic root of 11640194 is about 226.6313954153.

The spelling of 11640194 in words is "eleven million, six hundred forty thousand, one hundred ninety-four".