513834838 has 8 divisors (see below), whose sum is σ = 840820680. Its totient is φ = 233561280.

The previous prime is 513834757. The next prime is 513834851. The reversal of 513834838 is 838438315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 513834794 and 513834803.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11678043 + ... + 11678086.

It is an arithmetic number, because the mean of its divisors is an integer number (105102585).

Almost surely, 2^513834838 is an apocalyptic number.

513834838 is a deficient number, since it is larger than the sum of its proper divisors (326985842).

513834838 is a wasteful number, since it uses less digits than its factorization.

513834838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23356142.

The product of its digits is 276480, while the sum is 43.

The square root of 513834838 is about 22667.9253130938. The cubic root of 513834838 is about 800.9545054878.

The spelling of 513834838 in words is "five hundred thirteen million, eight hundred thirty-four thousand, eight hundred thirty-eight".