5599989 has 16 divisors (see below), whose sum is σ = 8332800. Its totient is φ = 3716928.

The previous prime is 5599981. The next prime is 5599999. The reversal of 5599989 is 9899955.

5599989 is a `hidden beast` number, since 559 + 9 + 9 + 89 = 666.

It is not a de Polignac number, because 5599989 - 2³ = 5599981 is a prime.

5599989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599981) 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, 11452 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (520800).

Almost surely, 2^5599989 is an apocalyptic number.

It is an amenable number.

5599989 is a deficient number, since it is larger than the sum of its proper divisors (2732811).

5599989 is a wasteful number, since it uses less digits than its factorization.

5599989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 915 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The square root of 5599989 is about 2366.4295890645. The cubic root of 5599989 is about 177.5806840753.

The spelling of 5599989 in words is "five million, five hundred ninety-nine thousand, nine hundred eighty-nine".