506646442 has 16 divisors (see below), whose sum is σ = 771251040. Its totient is φ = 249579792.

The previous prime is 506646431. The next prime is 506646463. The reversal of 506646442 is 244646605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58888 + ... + 66940.

It is an arithmetic number, because the mean of its divisors is an integer number (48203190).

Almost surely, 2^506646442 is an apocalyptic number.

506646442 is a deficient number, since it is larger than the sum of its proper divisors (264604598).

506646442 is a wasteful number, since it uses less digits than its factorization.

506646442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 506646442 is about 22508.8080981646. The cubic root of 506646442 is about 797.2019133404.

The spelling of 506646442 in words is "five hundred six million, six hundred forty-six thousand, four hundred forty-two".