512406238 has 16 divisors (see below), whose sum is σ = 779472144. Its totient is φ = 252607680.

The previous prime is 512406211. The next prime is 512406239. The reversal of 512406238 is 832604215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512406239) 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, 34906 + ... + 47362.

It is an arithmetic number, because the mean of its divisors is an integer number (48717009).

Almost surely, 2^512406238 is an apocalyptic number.

512406238 is a deficient number, since it is larger than the sum of its proper divisors (267065906).

512406238 is a wasteful number, since it uses less digits than its factorization.

512406238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 512406238 is about 22636.3918944694. The cubic root of 512406238 is about 800.2115263575.

The spelling of 512406238 in words is "five hundred twelve million, four hundred six thousand, two hundred thirty-eight".