2568987 has 12 divisors (see below), whose sum is σ = 3725280. Its totient is φ = 1705968.

The previous prime is 2568983. The next prime is 2568997. The reversal of 2568987 is 7898652.

2568987 is a `hidden beast` number, since 2 + 568 + 9 + 87 = 666.

It is not a de Polignac number, because 2568987 - 2² = 2568983 is a prime.

2568987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2568983) 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, 3214 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (310440).

2^2568987 is an apocalyptic number.

2568987 is a deficient number, since it is larger than the sum of its proper divisors (1156293).

2568987 is a wasteful number, since it uses less digits than its factorization.

2568987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1119 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2568987 is about 1602.8059770290. The cubic root of 2568987 is about 136.9579674631.

The spelling of 2568987 in words is "two million, five hundred sixty-eight thousand, nine hundred eighty-seven".