505340 has 24 divisors (see below), whose sum is σ = 1158192. Its totient is φ = 183680.

The previous prime is 505339. The next prime is 505357. The reversal of 505340 is 43505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (48258).

2⁵⁰⁵³⁴⁰ is an apocalyptic number.

It is an amenable number.

505340 is an abundant number, since it is smaller than the sum of its proper divisors (652852).

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

505340 is a wasteful number, since it uses less digits than its factorization.

505340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 505340 is about 710.8727030911. The cubic root of 505340 is about 79.6516100076.

Adding to 505340 its reverse (43505), we get a palindrome (548845).

The spelling of 505340 in words is "five hundred five thousand, three hundred forty".