2587704 has 64 divisors (see below), whose sum is σ = 7530240. Its totient is φ = 725760.

The previous prime is 2587693. The next prime is 2587709. The reversal of 2587704 is 4077852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12159 + ... + 12369.

It is an arithmetic number, because the mean of its divisors is an integer number (117660).

2^2587704 is an apocalyptic number.

2587704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2587704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765120).

2587704 is an abundant number, since it is smaller than the sum of its proper divisors (4942536).

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

2587704 is a wasteful number, since it uses less digits than its factorization.

2587704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 2587704 is about 1608.6342032917. The cubic root of 2587704 is about 137.2897768261.

The spelling of 2587704 in words is "two million, five hundred eighty-seven thousand, seven hundred four".