2587434 has 16 divisors (see below), whose sum is σ = 5479488. Its totient is φ = 811712.

The previous prime is 2587423. The next prime is 2587441. The reversal of 2587434 is 4347852.

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

It is a junction number, because it is equal to n+sod(n) for n = 2587395 and 2587404.

It is an unprimeable number.

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, 12582 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (342468).

2^2587434 is an apocalyptic number.

2587434 is an abundant number, since it is smaller than the sum of its proper divisors (2892054).

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

2587434 is a wasteful number, since it uses less digits than its factorization.

2587434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25389.

The product of its digits is 26880, while the sum is 33.

The square root of 2587434 is about 1608.5502789779. The cubic root of 2587434 is about 137.2850017399.

The spelling of 2587434 in words is "two million, five hundred eighty-seven thousand, four hundred thirty-four".