2444947 has 2 divisors, whose sum is σ = 2444948. Its totient is φ = 2444946.

The previous prime is 2444933. The next prime is 2444951. The reversal of 2444947 is 7494442.

2444947 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2444947 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2444927) 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, 1222473 + 1222474.

It is an arithmetic number, because the mean of its divisors is an integer number (1222474).

2^2444947 is an apocalyptic number.

2444947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2444947 is an equidigital number, since it uses as much as digits as its factorization.

2444947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 2444947 is about 1563.6326294881. The cubic root of 2444947 is about 134.7172316349.

The spelling of 2444947 in words is "two million, four hundred forty-four thousand, nine hundred forty-seven".