11840664 has 32 divisors (see below), whose sum is σ = 32293440. Its totient is φ = 3588000.

The previous prime is 11840657. The next prime is 11840669. The reversal of 11840664 is 46604811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840669) 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, 22162 + ... + 22689.

It is an arithmetic number, because the mean of its divisors is an integer number (1009170).

Almost surely, 2^11840664 is an apocalyptic number.

It is an amenable number.

11840664 is an abundant number, since it is smaller than the sum of its proper divisors (20452776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11840664 is a wasteful number, since it uses less digits than its factorization.

11840664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44871 (or 44867 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 11840664 is about 3441.0265910045. The cubic root of 11840664 is about 227.9250292136.

The spelling of 11840664 in words is "eleven million, eight hundred forty thousand, six hundred sixty-four".