605490 has 16 divisors (see below), whose sum is σ = 1453248. Its totient is φ = 161456.

The previous prime is 605477. The next prime is 605497. The reversal of 605490 is 94506.

605490 = T₂₃₆ + T₂₃₇ + ... + T₂₅₅.

605490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 605490.

It is not an unprimeable number, because it can be changed into a prime (605497) 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, 10062 + ... + 10121.

It is an arithmetic number, because the mean of its divisors is an integer number (90828).

2⁶⁰⁵⁴⁹⁰ is an apocalyptic number.

605490 is an abundant number, since it is smaller than the sum of its proper divisors (847758).

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

605490 is a wasteful number, since it uses less digits than its factorization.

605490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 605490 is about 778.1323794831. The cubic root of 605490 is about 84.5997328541.

Adding to 605490 its reverse (94506), we get a palindrome (699996).

The spelling of 605490 in words is "six hundred five thousand, four hundred ninety".