5587998 has 32 divisors (see below), whose sum is σ = 12429312. Its totient is φ = 1663200.

The previous prime is 5587993. The next prime is 5588021. The reversal of 5587998 is 8997855.

It is a self number, because there is not a number n which added to its sum of digits gives 5587998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587991) 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, 1263 + ... + 3573.

It is an arithmetic number, because the mean of its divisors is an integer number (388416).

Almost surely, 2^5587998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5587998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6214656).

5587998 is an abundant number, since it is smaller than the sum of its proper divisors (6841314).

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

5587998 is a wasteful number, since it uses less digits than its factorization.

5587998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its digits is 907200, while the sum is 51.

The square root of 5587998 is about 2363.8946677041. The cubic root of 5587998 is about 177.4538450384.

The spelling of 5587998 in words is "five million, five hundred eighty-seven thousand, nine hundred ninety-eight".