11844649 has 2 divisors, whose sum is σ = 11844650. Its totient is φ = 11844648.

The previous prime is 11844643. The next prime is 11844653. The reversal of 11844649 is 94644811.

11844649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7601049 + 4243600 = 2757^2 + 2060^2 .

It is an emirp because it is prime and its reverse (94644811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11844649 - 2⁹ = 11844137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11844643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922324 + 5922325.

It is an arithmetic number, because the mean of its divisors is an integer number (5922325).

Almost surely, 2^11844649 is an apocalyptic number.

It is an amenable number.

11844649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11844649 is an equidigital number, since it uses as much as digits as its factorization.

11844649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 11844649 is about 3441.6055846073. The cubic root of 11844649 is about 227.9505958926.

The spelling of 11844649 in words is "eleven million, eight hundred forty-four thousand, six hundred forty-nine".