505432934 has 4 divisors (see below), whose sum is σ = 758149404. Its totient is φ = 252716466.

The previous prime is 505432931. The next prime is 505432943. The reversal of 505432934 is 439234505.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 505432894 and 505432903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505432931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126358232 + ... + 126358235.

It is an arithmetic number, because the mean of its divisors is an integer number (189537351).

Almost surely, 2^505432934 is an apocalyptic number.

505432934 is a deficient number, since it is larger than the sum of its proper divisors (252716470).

505432934 is a wasteful number, since it uses less digits than its factorization.

505432934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252716469.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 505432934 is about 22481.8356456941. The cubic root of 505432934 is about 796.5649245568.

The spelling of 505432934 in words is "five hundred five million, four hundred thirty-two thousand, nine hundred thirty-four".