5999605 has 8 divisors (see below), whose sum is σ = 7213752. Its totient is φ = 4790208.

The previous prime is 5999603. The next prime is 5999627. The reversal of 5999605 is 5069995.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 649636 + 5349969 = 806^2 + 2313^2 .

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 5999605 - 2¹ = 5999603 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 (5999603) 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, 2847 + ... + 4483.

It is an arithmetic number, because the mean of its divisors is an integer number (901719).

Almost surely, 2^5999605 is an apocalyptic number.

It is an amenable number.

5999605 is a deficient number, since it is larger than the sum of its proper divisors (1214147).

5999605 is a wasteful number, since it uses less digits than its factorization.

5999605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 5999605 is about 2449.4091124187. The cubic root of 5999605 is about 181.7080716255.

The spelling of 5999605 in words is "five million, nine hundred ninety-nine thousand, six hundred five".