2559887 has 8 divisors (see below), whose sum is σ = 2883072. Its totient is φ = 2251800.

The previous prime is 2559863. The next prime is 2559901. The reversal of 2559887 is 7889552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2559887 - 2⁸ = 2559631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (360384).

2^2559887 is an apocalyptic number.

2559887 is a deficient number, since it is larger than the sum of its proper divisors (323185).

2559887 is a wasteful number, since it uses less digits than its factorization.

2559887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its digits is 201600, while the sum is 44.

The square root of 2559887 is about 1599.9646871103. The cubic root of 2559887 is about 136.7960629203.

The spelling of 2559887 in words is "two million, five hundred fifty-nine thousand, eight hundred eighty-seven".