2587284 has 36 divisors (see below), whose sum is σ = 7475104. Its totient is φ = 739152.

The previous prime is 2587279. The next prime is 2587289. The reversal of 2587284 is 4827852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2587279) and next prime (2587289).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587289) 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, 4882 + ... + 5385.

2^2587284 is an apocalyptic number.

It is an amenable number.

2587284 is an abundant number, since it is smaller than the sum of its proper divisors (4887820).

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

2587284 is a wasteful number, since it uses less digits than its factorization.

2587284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284 (or 10279 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2587284 is about 1608.5036524671. The cubic root of 2587284 is about 137.2823487707.

The spelling of 2587284 in words is "two million, five hundred eighty-seven thousand, two hundred eighty-four".