505694 has 16 divisors (see below), whose sum is σ = 889056. Its totient is φ = 211200.

The previous prime is 505693. The next prime is 505709. The reversal of 505694 is 496505.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (55566).

2⁵⁰⁵⁶⁹⁴ is an apocalyptic number.

505694 is a deficient number, since it is larger than the sum of its proper divisors (383362).

505694 is a wasteful number, since it uses less digits than its factorization.

505694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 505694 is about 711.1216492275. The cubic root of 505694 is about 79.6702048074.

The spelling of 505694 in words is "five hundred five thousand, six hundred ninety-four".