505322304 has 28 divisors (see below), whose sum is σ = 1336999104. Its totient is φ = 168440704.

The previous prime is 505322249. The next prime is 505322317. The reversal of 505322304 is 403223505.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315752 + ... + 1316135.

It is an arithmetic number, because the mean of its divisors is an integer number (47749968).

Almost surely, 2^505322304 is an apocalyptic number.

It is an amenable number.

505322304 is an abundant number, since it is smaller than the sum of its proper divisors (831676800).

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

505322304 is a wasteful number, since it uses less digits than its factorization.

505322304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631902 (or 2631892 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 505322304 is about 22479.3750802819. The cubic root of 505322304 is about 796.5068024981.

Adding to 505322304 its reverse (403223505), we get a palindrome (908545809).

The spelling of 505322304 in words is "five hundred five million, three hundred twenty-two thousand, three hundred four".