506863826 has 16 divisors (see below), whose sum is σ = 896939520. Its totient is φ = 210219840.

The previous prime is 506863813. The next prime is 506863831. The reversal of 506863826 is 628368605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583511 + ... + 584378.

It is an arithmetic number, because the mean of its divisors is an integer number (56058720).

Almost surely, 2^506863826 is an apocalyptic number.

506863826 is a deficient number, since it is larger than the sum of its proper divisors (390075694).

506863826 is a wasteful number, since it uses less digits than its factorization.

506863826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167929.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 506863826 is about 22513.6364454968. The cubic root of 506863826 is about 797.3159140496.

The spelling of 506863826 in words is "five hundred six million, eight hundred sixty-three thousand, eight hundred twenty-six".