605994 has 8 divisors (see below), whose sum is σ = 1212000. Its totient is φ = 201996.

The previous prime is 605993. The next prime is 606017. The reversal of 605994 is 499506.

It is a happy number.

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

605994 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (605993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50494 + ... + 50505.

It is an arithmetic number, because the mean of its divisors is an integer number (151500).

2⁶⁰⁵⁹⁹⁴ is an apocalyptic number.

605994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

605994 is a wasteful number, since it uses less digits than its factorization.

605994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101004.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 605994 is about 778.4561644691. The cubic root of 605994 is about 84.6231994901.

The spelling of 605994 in words is "six hundred five thousand, nine hundred ninety-four".