11664434 has 4 divisors (see below), whose sum is σ = 17496654. Its totient is φ = 5832216.

The previous prime is 11664421. The next prime is 11664437. The reversal of 11664434 is 43446611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 2209 = 3415^2 + 47^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11664397 and 11664406.

It is not an unprimeable number, because it can be changed into a prime (11664437) 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 as a sum of consecutive naturals, namely, 2916107 + ... + 2916110.

Almost surely, 2^11664434 is an apocalyptic number.

11664434 is a deficient number, since it is larger than the sum of its proper divisors (5832220).

11664434 is an equidigital number, since it uses as much as digits as its factorization.

11664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832219.

The product of its digits is 6912, while the sum is 29.

The square root of 11664434 is about 3415.3234107475. The cubic root of 11664434 is about 226.7886017329.

The spelling of 11664434 in words is "eleven million, six hundred sixty-four thousand, four hundred thirty-four".