838981 has 8 divisors (see below), whose sum is σ = 985824. Its totient is φ = 703920.

The previous prime is 838969. The next prime is 838991. The reversal of 838981 is 189838.

838981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838981 - 2⁵ = 838949 is a prime.

It is a super-2 number, since 2×838981² = 1407778236722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (123228).

2⁸³⁸⁹⁸¹ is an apocalyptic number.

It is an amenable number.

838981 is a deficient number, since it is larger than the sum of its proper divisors (146843).

838981 is a wasteful number, since it uses less digits than its factorization.

838981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 13824, while the sum is 37.

The square root of 838981 is about 915.9590602205. The cubic root of 838981 is about 94.3157107540.

The spelling of 838981 in words is "eight hundred thirty-eight thousand, nine hundred eighty-one".