506438826 has 16 divisors (see below), whose sum is σ = 1013814144. Its totient is φ = 168656864.

The previous prime is 506438819. The next prime is 506438827. The reversal of 506438826 is 628834605.

It is not an unprimeable number, because it can be changed into a prime (506438827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31890 + ... + 45053.

It is an arithmetic number, because the mean of its divisors is an integer number (63363384).

Almost surely, 2^506438826 is an apocalyptic number.

506438826 is an abundant number, since it is smaller than the sum of its proper divisors (507375318).

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

506438826 is a wasteful number, since it uses less digits than its factorization.

506438826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78045.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 506438826 is about 22504.1957421277. The cubic root of 506438826 is about 797.0930047262.

The spelling of 506438826 in words is "five hundred six million, four hundred thirty-eight thousand, eight hundred twenty-six".