11640229 has 8 divisors (see below), whose sum is σ = 11957792. Its totient is φ = 11324880.

The previous prime is 11640199. The next prime is 11640241. The reversal of 11640229 is 92204611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11640229 - 2⁹ = 11639717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640329) 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 7 ways as a sum of consecutive naturals, for example, 17782 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (1494724).

Almost surely, 2^11640229 is an apocalyptic number.

It is an amenable number.

11640229 is a deficient number, since it is larger than the sum of its proper divisors (317563).

11640229 is an equidigital number, since it uses as much as digits as its factorization.

11640229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 11640229 is about 3411.7779822257. Note that the first 3 decimals coincide. The cubic root of 11640229 is about 226.6316225619.

The spelling of 11640229 in words is "eleven million, six hundred forty thousand, two hundred twenty-nine".