838980 has 72 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 217152.

The previous prime is 838969. The next prime is 838991. The reversal of 838980 is 89838.

It is an interprime number because it is at equal distance from previous prime (838969) and next prime (838991).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10581 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (36400).

2⁸³⁸⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310400).

838980 is an abundant number, since it is smaller than the sum of its proper divisors (1781820).

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

838980 is a wasteful number, since it uses less digits than its factorization.

838980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 838980 is about 915.9585143444. The cubic root of 838980 is about 94.3156732817.

The spelling of 838980 in words is "eight hundred thirty-eight thousand, nine hundred eighty".