506738398 has 16 divisors (see below), whose sum is σ = 801447120. Its totient is φ = 239633856.

The previous prime is 506738389. The next prime is 506738413. The reversal of 506738398 is 893837605.

It is a congruent number.

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, 12640 + ... + 34252.

It is an arithmetic number, because the mean of its divisors is an integer number (50090445).

Almost surely, 2^506738398 is an apocalyptic number.

506738398 is a deficient number, since it is larger than the sum of its proper divisors (294708722).

506738398 is a wasteful number, since it uses less digits than its factorization.

506738398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 506738398 is about 22510.8506725090. The cubic root of 506738398 is about 797.2501409658.

The spelling of 506738398 in words is "five hundred six million, seven hundred thirty-eight thousand, three hundred ninety-eight".