2259684 has 96 divisors (see below), whose sum is σ = 6944000. Its totient is φ = 635040.

The previous prime is 2259671. The next prime is 2259703. The reversal of 2259684 is 4869522.

It is a happy number.

2259684 is digitally balanced in base 2 and base 5, because in such bases 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 (36).

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 5⁵ + 9⁵ + 6 + 8⁵ + 4⁸ .

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 31 ways as a sum of consecutive naturals, for example, 37014 + ... + 37074.

2^2259684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2259684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472000).

2259684 is an abundant number, since it is smaller than the sum of its proper divisors (4684316).

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

2259684 is a wasteful number, since it uses less digits than its factorization.

2259684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 73 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2259684 is about 1503.2245341266. The cubic root of 2259684 is about 131.2247951601.

The spelling of 2259684 in words is "two million, two hundred fifty-nine thousand, six hundred eighty-four".