11404649 has 2 divisors, whose sum is σ = 11404650. Its totient is φ = 11404648.

The previous prime is 11404639. The next prime is 11404661. The reversal of 11404649 is 94640411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 1545049 = 3140^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404649 - 2⁴ = 11404633 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11404639) 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 as a sum of consecutive naturals, namely, 5702324 + 5702325.

It is an arithmetic number, because the mean of its divisors is an integer number (5702325).

Almost surely, 2^11404649 is an apocalyptic number.

It is an amenable number.

11404649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404649 is an equidigital number, since it uses as much as digits as its factorization.

11404649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 11404649 is about 3377.0769905349. The cubic root of 11404649 is about 225.0923012250.

The spelling of 11404649 in words is "eleven million, four hundred four thousand, six hundred forty-nine".