838947804 has 24 divisors (see below), whose sum is σ = 1961841168. Its totient is φ = 279035520.

The previous prime is 838947787. The next prime is 838947817. The reversal of 838947804 is 408749838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71007 + ... + 81974.

It is an arithmetic number, because the mean of its divisors is an integer number (81743382).

Almost surely, 2^838947804 is an apocalyptic number.

It is an amenable number.

838947804 is an abundant number, since it is smaller than the sum of its proper divisors (1122893364).

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

838947804 is a wasteful number, since it uses less digits than its factorization.

838947804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153445 (or 153443 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 838947804 is about 28964.5956988873. The cubic root of 838947804 is about 943.1446680623.

The spelling of 838947804 in words is "eight hundred thirty-eight million, nine hundred forty-seven thousand, eight hundred four".