605900 has 36 divisors (see below), whose sum is σ = 1348872. Its totient is φ = 236160.

The previous prime is 605893. The next prime is 605909. The reversal of 605900 is 9506.

It is a super-2 number, since 2×605900² = 734229620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (605909) 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 11 ways as a sum of consecutive naturals, for example, 7259 + ... + 7341.

2⁶⁰⁵⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674436).

605900 is an abundant number, since it is smaller than the sum of its proper divisors (742972).

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

605900 is a wasteful number, since it uses less digits than its factorization.

605900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 605900 is about 778.3957862168. The cubic root of 605900 is about 84.6188237636.

The spelling of 605900 in words is "six hundred five thousand, nine hundred".