5599909 has 8 divisors (see below), whose sum is σ = 6536448. Its totient is φ = 4697520.

The previous prime is 5599877. The next prime is 5599921. The reversal of 5599909 is 9099955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5599909 - 2⁵ = 5599877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8182 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (817056).

Almost surely, 2^5599909 is an apocalyptic number.

It is an amenable number.

5599909 is a deficient number, since it is larger than the sum of its proper divisors (936539).

5599909 is a wasteful number, since it uses less digits than its factorization.

5599909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17075.

The product of its (nonzero) digits is 164025, while the sum is 46.

The square root of 5599909 is about 2366.4126859024. The cubic root of 5599909 is about 177.5798384473.

Adding to 5599909 its sum of digits (46), we get a palindrome (5599955).

The spelling of 5599909 in words is "five million, five hundred ninety-nine thousand, nine hundred nine".