506006646 has 16 divisors (see below), whose sum is σ = 1027118784. Its totient is φ = 166151304.

The previous prime is 506006639. The next prime is 506006659. The reversal of 506006646 is 646600605.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628960 + ... + 629763.

It is an arithmetic number, because the mean of its divisors is an integer number (64194924).

Almost surely, 2^506006646 is an apocalyptic number.

506006646 is an abundant number, since it is smaller than the sum of its proper divisors (521112138).

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

506006646 is a wasteful number, since it uses less digits than its factorization.

506006646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258795.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 506006646 is about 22494.5914832877. The cubic root of 506006646 is about 796.8662016222.

The spelling of 506006646 in words is "five hundred six million, six thousand, six hundred forty-six".