505340885 has 16 divisors (see below), whose sum is σ = 696024576. Its totient is φ = 345026688.

The previous prime is 505340881. The next prime is 505340911. The reversal of 505340885 is 588043505.

It is a cyclic number.

It is not a de Polignac number, because 505340885 - 2² = 505340881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505340881) 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, 22829 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (43501536).

Almost surely, 2^505340885 is an apocalyptic number.

It is an amenable number.

505340885 is a deficient number, since it is larger than the sum of its proper divisors (190683691).

505340885 is a wasteful number, since it uses less digits than its factorization.

505340885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62212.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 505340885 is about 22479.7883664415. The cubic root of 505340885 is about 796.5165650539.

The spelling of 505340885 in words is "five hundred five million, three hundred forty thousand, eight hundred eighty-five".