505236732 has 96 divisors (see below), whose sum is σ = 1582877184. Its totient is φ = 121132800.

The previous prime is 505236731. The next prime is 505236769. The reversal of 505236732 is 237632505.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 505236693 and 505236702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505236731) 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 31 ways as a sum of consecutive naturals, for example, 9019 + ... + 33042.

It is an arithmetic number, because the mean of its divisors is an integer number (16488304).

Almost surely, 2^505236732 is an apocalyptic number.

505236732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505236732 is an abundant number, since it is smaller than the sum of its proper divisors (1077640452).

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

505236732 is a wasteful number, since it uses less digits than its factorization.

505236732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42099 (or 42097 counting only the distinct ones).

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

The square root of 505236732 is about 22477.4716549704. The cubic root of 505236732 is about 796.4618394272.

The spelling of 505236732 in words is "five hundred five million, two hundred thirty-six thousand, seven hundred thirty-two".