505689934 has 8 divisors (see below), whose sum is σ = 759828888. Its totient is φ = 252413640.

The previous prime is 505689929. The next prime is 505689953. The reversal of 505689934 is 439986505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214197 + ... + 216544.

It is an arithmetic number, because the mean of its divisors is an integer number (94978611).

Almost surely, 2^505689934 is an apocalyptic number.

505689934 is a deficient number, since it is larger than the sum of its proper divisors (254138954).

505689934 is a wasteful number, since it uses less digits than its factorization.

505689934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431330.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 505689934 is about 22487.5506447456. The cubic root of 505689934 is about 796.6999127909.

The spelling of 505689934 in words is "five hundred five million, six hundred eighty-nine thousand, nine hundred thirty-four".