506375646 has 32 divisors (see below), whose sum is σ = 1170443520. Its totient is φ = 143052096.

The previous prime is 506375609. The next prime is 506375663. The reversal of 506375646 is 646573605.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 506375598 and 506375607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63996 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (36576360).

Almost surely, 2^506375646 is an apocalyptic number.

506375646 is an abundant number, since it is smaller than the sum of its proper divisors (664067874).

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

506375646 is a wasteful number, since it uses less digits than its factorization.

506375646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135568.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 506375646 is about 22502.7919601102. The cubic root of 506375646 is about 797.0598566421.

The spelling of 506375646 in words is "five hundred six million, three hundred seventy-five thousand, six hundred forty-six".