2309744 has 20 divisors (see below), whose sum is σ = 4501200. Its totient is φ = 1148160.

The previous prime is 2309743. The next prime is 2309753. The reversal of 2309744 is 4479032.

2309744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309743) 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, 3557 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (225060).

2^2309744 is an apocalyptic number.

It is an amenable number.

2309744 is a deficient number, since it is larger than the sum of its proper divisors (2191456).

2309744 is a wasteful number, since it uses less digits than its factorization.

2309744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2309744 is about 1519.7841952067. The cubic root of 2309744 is about 132.1867573782.

The spelling of 2309744 in words is "two million, three hundred nine thousand, seven hundred forty-four".