505284438 has 32 divisors (see below), whose sum is σ = 1104537600. Its totient is φ = 153406080.

The previous prime is 505284391. The next prime is 505284449. The reversal of 505284438 is 834482505.

It is a junction number, because it is equal to n+sod(n) for n = 505284396 and 505284405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76738 + ... + 83061.

It is an arithmetic number, because the mean of its divisors is an integer number (34516800).

Almost surely, 2^505284438 is an apocalyptic number.

505284438 is an abundant number, since it is smaller than the sum of its proper divisors (599253162).

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

505284438 is a wasteful number, since it uses less digits than its factorization.

505284438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159852.

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 505284438 is about 22478.5328257874. The cubic root of 505284438 is about 796.4869067605.

The spelling of 505284438 in words is "five hundred five million, two hundred eighty-four thousand, four hundred thirty-eight".