2559956 has 36 divisors (see below), whose sum is σ = 5367348. Its totient is φ = 1064448.

The previous prime is 2559937. The next prime is 2559959. The reversal of 2559956 is 6599552.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 828100 = 1316^2 + 910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7076 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (149093).

2^2559956 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 2559956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683674).

2559956 is an abundant number, since it is smaller than the sum of its proper divisors (2807392).

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

2559956 is a wasteful number, since it uses less digits than its factorization.

2559956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 399 counting only the distinct ones).

The product of its digits is 121500, while the sum is 41.

The square root of 2559956 is about 1599.9862499409. The cubic root of 2559956 is about 136.7972919907.

The spelling of 2559956 in words is "two million, five hundred fifty-nine thousand, nine hundred fifty-six".