506486864 has 40 divisors (see below), whose sum is σ = 1102762752. Its totient is φ = 223597440.

The previous prime is 506486861. The next prime is 506486873. The reversal of 506486864 is 468684605.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506486861) 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, 48152 + ... + 57719.

Almost surely, 2^506486864 is an apocalyptic number.

It is an amenable number.

506486864 is an abundant number, since it is smaller than the sum of its proper divisors (596275888).

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

506486864 is a wasteful number, since it uses less digits than its factorization.

506486864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105915 (or 105909 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 506486864 is about 22505.2630289006. The cubic root of 506486864 is about 797.1182065480.

The spelling of 506486864 in words is "five hundred six million, four hundred eighty-six thousand, eight hundred sixty-four".