505805934 has 32 divisors (see below), whose sum is σ = 1022782464. Its totient is φ = 166749440.

The previous prime is 505805933. The next prime is 505805939. The reversal of 505805934 is 439508505.

It is a super-2 number, since 2×505805934² = 511679285739224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505805892 and 505805901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505805933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276547 + ... + 278369.

It is an arithmetic number, because the mean of its divisors is an integer number (31961952).

Almost surely, 2^505805934 is an apocalyptic number.

505805934 is an abundant number, since it is smaller than the sum of its proper divisors (516976530).

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

505805934 is a wasteful number, since it uses less digits than its factorization.

505805934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 505805934 is about 22490.1297017158. The cubic root of 505805934 is about 796.7608263521.

The spelling of 505805934 in words is "five hundred five million, eight hundred five thousand, nine hundred thirty-four".