505746 has 12 divisors (see below), whose sum is σ = 1095822. Its totient is φ = 168576.

The previous prime is 505727. The next prime is 505759. The reversal of 505746 is 647505.

It can be written as a sum of positive squares in only one way, i.e., 505521 + 225 = 711^2 + 15^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14031 + ... + 14066.

2⁵⁰⁵⁷⁴⁶ is an apocalyptic number.

505746 is an abundant number, since it is smaller than the sum of its proper divisors (590076).

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

505746 is a wasteful number, since it uses less digits than its factorization.

505746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28105 (or 28102 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 505746 is about 711.1582102458. The cubic root of 505746 is about 79.6729355158.

The spelling of 505746 in words is "five hundred five thousand, seven hundred forty-six".