505966938 has 64 divisors (see below), whose sum is σ = 1066867200. Its totient is φ = 159823872.

The previous prime is 505966919. The next prime is 505966943. The reversal of 505966938 is 839669505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449588 + ... + 1449936.

It is an arithmetic number, because the mean of its divisors is an integer number (16669800).

Almost surely, 2^505966938 is an apocalyptic number.

505966938 is an abundant number, since it is smaller than the sum of its proper divisors (560900262).

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

505966938 is a wasteful number, since it uses less digits than its factorization.

505966938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 505966938 is about 22493.7088538107. The cubic root of 505966938 is about 796.8453568427.

The spelling of 505966938 in words is "five hundred five million, nine hundred sixty-six thousand, nine hundred thirty-eight".