838981071 has 24 divisors (see below), whose sum is σ = 1258333440. Its totient is φ = 558614232.

The previous prime is 838981069. The next prime is 838981079. The reversal of 838981071 is 170189838.

838981071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 838981071 - 2¹ = 838981069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838981079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250816 + ... + 254138.

It is an arithmetic number, because the mean of its divisors is an integer number (52430560).

Almost surely, 2^838981071 is an apocalyptic number.

838981071 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

838981071 is a deficient number, since it is larger than the sum of its proper divisors (419352369).

838981071 is a wasteful number, since it uses less digits than its factorization.

838981071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 838981071 is about 28965.1699632507. The cubic root of 838981071 is about 943.1571341454.

The spelling of 838981071 in words is "eight hundred thirty-eight million, nine hundred eighty-one thousand, seventy-one".