505634338 has 8 divisors (see below), whose sum is σ = 827401680. Its totient is φ = 229833780.

The previous prime is 505634333. The next prime is 505634347. The reversal of 505634338 is 833436505.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 505634297 and 505634306.

It is not an unprimeable number, because it can be changed into a prime (505634333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11491668 + ... + 11491711.

It is an arithmetic number, because the mean of its divisors is an integer number (103425210).

Almost surely, 2^505634338 is an apocalyptic number.

505634338 is a deficient number, since it is larger than the sum of its proper divisors (321767342).

505634338 is a wasteful number, since it uses less digits than its factorization.

505634338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22983392.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 505634338 is about 22486.3144601333. The cubic root of 505634338 is about 796.6707150891.

The spelling of 505634338 in words is "five hundred five million, six hundred thirty-four thousand, three hundred thirty-eight".