1587828 has 48 divisors (see below), whose sum is σ = 4225536. Its totient is φ = 459360.

The previous prime is 1587809. The next prime is 1587829. The reversal of 1587828 is 8287851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1587829) 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, 2775 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (88032).

2^1587828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1587828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112768).

1587828 is an abundant number, since it is smaller than the sum of its proper divisors (2637708).

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

1587828 is a wasteful number, since it uses less digits than its factorization.

1587828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its digits is 35840, while the sum is 39.

The square root of 1587828 is about 1260.0904729423. The cubic root of 1587828 is about 116.6633613576.

It can be divided in two parts, 1587 and 828, that added together give a triangular number (2415 = T₆₉).

The spelling of 1587828 in words is "one million, five hundred eighty-seven thousand, eight hundred twenty-eight".