505386108 has 48 divisors (see below), whose sum is σ = 1345683360. Its totient is φ = 163907712.

The previous prime is 505386053. The next prime is 505386109. The reversal of 505386108 is 801683505.

505386108 is a `hidden beast` number, since 5 + 0 + 5 + 38 + 610 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505386109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59241 + ... + 67232.

It is an arithmetic number, because the mean of its divisors is an integer number (28035070).

Almost surely, 2^505386108 is an apocalyptic number.

It is an amenable number.

505386108 is an abundant number, since it is smaller than the sum of its proper divisors (840297252).

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

505386108 is a wasteful number, since it uses less digits than its factorization.

505386108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126523 (or 126515 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 505386108 is about 22480.7942030525. The cubic root of 505386108 is about 796.5403244575.

The spelling of 505386108 in words is "five hundred five million, three hundred eighty-six thousand, one hundred eight".