509114838 has 16 divisors (see below), whose sum is σ = 1018450800. Its totient is φ = 169668096.

The previous prime is 509114831. The next prime is 509114839. The reversal of 509114838 is 838411905.

It is a junction number, because it is equal to n+sod(n) for n = 509114796 and 509114805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509114831) 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, 49606 + ... + 58982.

It is an arithmetic number, because the mean of its divisors is an integer number (63653175).

Almost surely, 2^509114838 is an apocalyptic number.

509114838 is an abundant number, since it is smaller than the sum of its proper divisors (509335962).

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

509114838 is a wasteful number, since it uses less digits than its factorization.

509114838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 509114838 is about 22563.5732542521. The cubic root of 509114838 is about 798.4944799975.

The spelling of 509114838 in words is "five hundred nine million, one hundred fourteen thousand, eight hundred thirty-eight".