2559630 has 32 divisors (see below), whose sum is σ = 6295968. Its totient is φ = 665600.

The previous prime is 2559619. The next prime is 2559631. The reversal of 2559630 is 369552.

2559630 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559631) 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 15 ways as a sum of consecutive naturals, for example, 190 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (196749).

2^2559630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2559630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147984).

2559630 is an abundant number, since it is smaller than the sum of its proper divisors (3736338).

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

2559630 is a wasteful number, since it uses less digits than its factorization.

2559630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2559630 is about 1599.8843708218. The cubic root of 2559630 is about 136.7914848843.

The spelling of 2559630 in words is "two million, five hundred fifty-nine thousand, six hundred thirty".