2259660 has 48 divisors (see below), whose sum is σ = 6816096. Its totient is φ = 556032.

The previous prime is 2259643. The next prime is 2259671. The reversal of 2259660 is 669522.

2259660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a plaindrome in base 16.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 669 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (142002).

2^2259660 is an apocalyptic number.

2259660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259660 is an abundant number, since it is smaller than the sum of its proper divisors (4556436).

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

2259660 is a wasteful number, since it uses less digits than its factorization.

2259660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2259660 is about 1503.2165512660. The cubic root of 2259660 is about 131.2243305809.

The spelling of 2259660 in words is "two million, two hundred fifty-nine thousand, six hundred sixty".