605430 has 72 divisors (see below), whose sum is σ = 1858896. Its totient is φ = 133920.

The previous prime is 605413. The next prime is 605443. The reversal of 605430 is 34506.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19515 + ... + 19545.

It is an arithmetic number, because the mean of its divisors is an integer number (25818).

2⁶⁰⁵⁴³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929448).

605430 is an abundant number, since it is smaller than the sum of its proper divisors (1253466).

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

605430 is a wasteful number, since it uses less digits than its factorization.

605430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 605430 is about 778.0938246767. The cubic root of 605430 is about 84.5969383396.

Adding to 605430 its reverse (34506), we get a palindrome (639936).

It can be divided in two parts, 6054 and 30, that added together give a square (6084 = 78²).

The spelling of 605430 in words is "six hundred five thousand, four hundred thirty".