605090 has 8 divisors (see below), whose sum is σ = 1089180. Its totient is φ = 242032.

The previous prime is 605071. The next prime is 605113. The reversal of 605090 is 90506.

605090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 32041 = 757^2 + 179^2 .

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

It is a super-2 number, since 2×605090² = 732267816200, which contains 22 as substring.

It is an unprimeable number.

605090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30245 + ... + 30264.

2⁶⁰⁵⁰⁹⁰ is an apocalyptic number.

605090 is a deficient number, since it is larger than the sum of its proper divisors (484090).

605090 is a wasteful number, since it uses less digits than its factorization.

605090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60516.

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

The square root of 605090 is about 777.8753113449. The cubic root of 605090 is about 84.5810992693.

Adding to 605090 its reverse (90506), we get a palindrome (695596).

The spelling of 605090 in words is "six hundred five thousand, ninety".