2259764 has 12 divisors (see below), whose sum is σ = 4258884. Its totient is φ = 1042944.

The previous prime is 2259739. The next prime is 2259769. The reversal of 2259764 is 4679522.

2259764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 1464100 = 892^2 + 1210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259769) 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, 21677 + ... + 21780.

It is an arithmetic number, because the mean of its divisors is an integer number (354907).

2^2259764 is an apocalyptic number.

It is an amenable number.

2259764 is a deficient number, since it is larger than the sum of its proper divisors (1999120).

2259764 is a wasteful number, since it uses less digits than its factorization.

2259764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43474 (or 43472 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 2259764 is about 1503.2511433556. The cubic root of 2259764 is about 131.2263437335.

The spelling of 2259764 in words is "two million, two hundred fifty-nine thousand, seven hundred sixty-four".