505204484 has 12 divisors (see below), whose sum is σ = 888552000. Its totient is φ = 251332488.

The previous prime is 505204481. The next prime is 505204507. The reversal of 505204484 is 484402505.

It is a self number, because there is not a number n which added to its sum of digits gives 505204484.

It is not an unprimeable number, because it can be changed into a prime (505204481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316544 + ... + 318135.

It is an arithmetic number, because the mean of its divisors is an integer number (74046000).

Almost surely, 2^505204484 is an apocalyptic number.

It is an amenable number.

505204484 is a deficient number, since it is larger than the sum of its proper divisors (383347516).

505204484 is a wasteful number, since it uses less digits than its factorization.

505204484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634882 (or 634880 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 505204484 is about 22476.7543030572. The cubic root of 505204484 is about 796.4448936760. Note that the first 3 decimals are identical.

Adding to 505204484 its reverse (484402505), we get a palindrome (989606989).

The spelling of 505204484 in words is "five hundred five million, two hundred four thousand, four hundred eighty-four".