505448 has 32 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 232320.

The previous prime is 505447. The next prime is 505459. The reversal of 505448 is 844505.

It is not an unprimeable number, because it can be changed into a prime (505447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2⁵⁰⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

505448 is an abundant number, since it is smaller than the sum of its proper divisors (522712).

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

505448 is a wasteful number, since it uses less digits than its factorization.

505448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 505448 is about 710.9486620003. The cubic root of 505448 is about 79.6572839176.

The spelling of 505448 in words is "five hundred five thousand, four hundred forty-eight".