2321764 has 12 divisors (see below), whose sum is σ = 4080384. Its totient is φ = 1155944.

The previous prime is 2321749. The next prime is 2321773. The reversal of 2321764 is 4671232.

2321764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 52 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (340032).

2^2321764 is an apocalyptic number.

It is an amenable number.

2321764 is a deficient number, since it is larger than the sum of its proper divisors (1758620).

2321764 is a wasteful number, since it uses less digits than its factorization.

2321764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2472 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 2321764 is about 1523.7335725119. The cubic root of 2321764 is about 132.4156624802.

Adding to 2321764 its reverse (4671232), we get a palindrome (6992996).

The spelling of 2321764 in words is "two million, three hundred twenty-one thousand, seven hundred sixty-four".