838394108 has 12 divisors (see below), whose sum is σ = 1475976432. Its totient is φ = 416686560.

The previous prime is 838394107. The next prime is 838394149. The reversal of 838394108 is 801493838.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838394107) 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 3 ways as a sum of consecutive naturals, for example, 626873 + ... + 628208.

It is an arithmetic number, because the mean of its divisors is an integer number (122998036).

Almost surely, 2^838394108 is an apocalyptic number.

It is an amenable number.

838394108 is a deficient number, since it is larger than the sum of its proper divisors (637582324).

838394108 is a wasteful number, since it uses less digits than its factorization.

838394108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255252 (or 1255250 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 838394108 is about 28955.0359695857. The cubic root of 838394108 is about 942.9371341509.

The spelling of 838394108 in words is "eight hundred thirty-eight million, three hundred ninety-four thousand, one hundred eight".