2387449 has 2 divisors, whose sum is σ = 2387450. Its totient is φ = 2387448.

The previous prime is 2387447. The next prime is 2387453. The reversal of 2387449 is 9447832.

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., 1299600 + 1087849 = 1140^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2387449 - 2¹ = 2387447 is a prime.

Together with 2387447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2387447) 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, 1193724 + 1193725.

It is an arithmetic number, because the mean of its divisors is an integer number (1193725).

2^2387449 is an apocalyptic number.

It is an amenable number.

2387449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387449 is an equidigital number, since it uses as much as digits as its factorization.

2387449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 2387449 is about 1545.1372107357. The cubic root of 2387449 is about 133.6527916256.

The spelling of 2387449 in words is "two million, three hundred eighty-seven thousand, four hundred forty-nine".