505939272 has 32 divisors (see below), whose sum is σ = 1288716480. Its totient is φ = 165464000.

The previous prime is 505939237. The next prime is 505939297. The reversal of 505939272 is 272939505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197604 + ... + 200147.

It is an arithmetic number, because the mean of its divisors is an integer number (40272390).

Almost surely, 2^505939272 is an apocalyptic number.

It is an amenable number.

505939272 is an abundant number, since it is smaller than the sum of its proper divisors (782777208).

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

505939272 is a wasteful number, since it uses less digits than its factorization.

505939272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397813 (or 397809 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 505939272 is about 22493.0938734537. The cubic root of 505939272 is about 796.8308328862.

The spelling of 505939272 in words is "five hundred five million, nine hundred thirty-nine thousand, two hundred seventy-two".