2587874 has 8 divisors (see below), whose sum is σ = 3893340. Its totient is φ = 1290096.

The previous prime is 2587861. The next prime is 2587877. The reversal of 2587874 is 4787852.

It can be written as a sum of positive squares in 2 ways, for example, as 2380849 + 207025 = 1543^2 + 455^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2587877) 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 3 ways as a sum of consecutive naturals, for example, 989 + ... + 2480.

2^2587874 is an apocalyptic number.

2587874 is a deficient number, since it is larger than the sum of its proper divisors (1305466).

2587874 is a wasteful number, since it uses less digits than its factorization.

2587874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its digits is 125440, while the sum is 41.

The square root of 2587874 is about 1608.6870422801. The cubic root of 2587874 is about 137.2927831915.

It can be divided in two parts, 25878 and 74, that added together give a palindrome (25952).

The spelling of 2587874 in words is "two million, five hundred eighty-seven thousand, eight hundred seventy-four".