505392 has 20 divisors (see below), whose sum is σ = 1305720. Its totient is φ = 168448.

The previous prime is 505369. The next prime is 505399. The reversal of 505392 is 293505.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505392.

It is not an unprimeable number, because it can be changed into a prime (505399) by changing a digit.

505392 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, 5217 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (65286).

2⁵⁰⁵³⁹² is an apocalyptic number.

It is an amenable number.

505392 is an abundant number, since it is smaller than the sum of its proper divisors (800328).

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

505392 is a wasteful number, since it uses less digits than its factorization.

505392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10540 (or 10534 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 505392 is about 710.9092769123. The cubic root of 505392 is about 79.6543419911.

Adding to 505392 its reverse (293505), we get a palindrome (798897).

The spelling of 505392 in words is "five hundred five thousand, three hundred ninety-two".