838506838 has 8 divisors (see below), whose sum is σ = 1354511088. Its totient is φ = 387003144.

The previous prime is 838506811. The next prime is 838506847. The reversal of 838506838 is 838605838.

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 = 838506791 and 838506800.

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, 16125106 + ... + 16125157.

It is an arithmetic number, because the mean of its divisors is an integer number (169313886).

Almost surely, 2^838506838 is an apocalyptic number.

838506838 is a deficient number, since it is larger than the sum of its proper divisors (516004250).

838506838 is a wasteful number, since it uses less digits than its factorization.

838506838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32250278.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 838506838 is about 28956.9825430759. The cubic root of 838506838 is about 942.9793945224.

The spelling of 838506838 in words is "eight hundred thirty-eight million, five hundred six thousand, eight hundred thirty-eight".