838678412 has 96 divisors (see below), whose sum is σ = 1774047744. Its totient is φ = 341913600.

The previous prime is 838678381. The next prime is 838678439. The reversal of 838678412 is 214876838.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4345388 + ... + 4345580.

It is an arithmetic number, because the mean of its divisors is an integer number (18479664).

Almost surely, 2^838678412 is an apocalyptic number.

It is an amenable number.

838678412 is an abundant number, since it is smaller than the sum of its proper divisors (935369332).

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

838678412 is a wasteful number, since it uses less digits than its factorization.

838678412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 838678412 is about 28959.9449585112. The cubic root of 838678412 is about 943.0437071415.

The spelling of 838678412 in words is "eight hundred thirty-eight million, six hundred seventy-eight thousand, four hundred twelve".