505347630 has 32 divisors (see below), whose sum is σ = 1216522368. Its totient is φ = 134349600.

The previous prime is 505347611. The next prime is 505347631. The reversal of 505347630 is 36743505.

It is a junction number, because it is equal to n+sod(n) for n = 505347591 and 505347600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505347631) 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 15 ways as a sum of consecutive naturals, for example, 15516 + ... + 35375.

It is an arithmetic number, because the mean of its divisors is an integer number (38016324).

Almost surely, 2^505347630 is an apocalyptic number.

505347630 is an abundant number, since it is smaller than the sum of its proper divisors (711174738).

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

505347630 is a wasteful number, since it uses less digits than its factorization.

505347630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51232.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 505347630 is about 22479.9383895953. The cubic root of 505347630 is about 796.5201088534.

The spelling of 505347630 in words is "five hundred five million, three hundred forty-seven thousand, six hundred thirty".