505085924 has 36 divisors (see below), whose sum is σ = 1063678140. Its totient is φ = 208998720.

The previous prime is 505085921. The next prime is 505085993. The reversal of 505085924 is 429580505.

It can be written as a sum of positive squares in 2 ways, for example, as 337383424 + 167702500 = 18368^2 + 12950^2 .

It is a super-2 number, since 2×505085924² = 510223581245867552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505085921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38747 + ... + 50114.

It is an arithmetic number, because the mean of its divisors is an integer number (29546615).

Almost surely, 2^505085924 is an apocalyptic number.

It is an amenable number.

505085924 is an abundant number, since it is smaller than the sum of its proper divisors (558592216).

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

505085924 is a wasteful number, since it uses less digits than its factorization.

505085924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88908 (or 88899 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 505085924 is about 22474.1167568383. The cubic root of 505085924 is about 796.3825863020.

The spelling of 505085924 in words is "five hundred five million, eighty-five thousand, nine hundred twenty-four".