512626838 has 16 divisors (see below), whose sum is σ = 788465664. Its totient is φ = 249849000.

The previous prime is 512626831. The next prime is 512626867. The reversal of 512626838 is 838626215.

It is a junction number, because it is equal to n+sod(n) for n = 512626795 and 512626804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512626831) by changing a digit.

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, 12731 + ... + 34457.

It is an arithmetic number, because the mean of its divisors is an integer number (49279104).

Almost surely, 2^512626838 is an apocalyptic number.

512626838 is a deficient number, since it is larger than the sum of its proper divisors (275838826).

512626838 is a wasteful number, since it uses less digits than its factorization.

512626838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22027.

The product of its digits is 138240, while the sum is 41.

The square root of 512626838 is about 22641.2640548181. The cubic root of 512626838 is about 800.3263449806.

The spelling of 512626838 in words is "five hundred twelve million, six hundred twenty-six thousand, eight hundred thirty-eight".