2945744 has 20 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 1425120.

The previous prime is 2945731. The next prime is 2945749. The reversal of 2945744 is 4475492.

2945744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2945744 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945749) 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 in 3 ways as a sum of consecutive naturals, for example, 2474 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

2^2945744 is an apocalyptic number.

It is an amenable number.

2945744 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945744 is a wasteful number, since it uses less digits than its factorization.

2945744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5972 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2945744 is about 1716.3169870394. The cubic root of 2945744 is about 143.3502101394.

The spelling of 2945744 in words is "two million, nine hundred forty-five thousand, seven hundred forty-four".