506639307 has 8 divisors (see below), whose sum is σ = 676708560. Its totient is φ = 337164800.

The previous prime is 506639279. The next prime is 506639333. The reversal of 506639307 is 703936605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506639307 - 2¹² = 506635211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506639407) by changing a digit.

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, 146694 + ... + 150107.

It is an arithmetic number, because the mean of its divisors is an integer number (84588570).

Almost surely, 2^506639307 is an apocalyptic number.

506639307 is a deficient number, since it is larger than the sum of its proper divisors (170069253).

506639307 is a wasteful number, since it uses less digits than its factorization.

506639307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297373.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 506639307 is about 22508.6496040966. The cubic root of 506639307 is about 797.1981710447.

The spelling of 506639307 in words is "five hundred six million, six hundred thirty-nine thousand, three hundred seven".