838280 has 32 divisors (see below), whose sum is σ = 1987200. Its totient is φ = 317376.

The previous prime is 838249. The next prime is 838349. The reversal of 838280 is 82838.

It is a nialpdrome in base 16.

It is an unprimeable number.

838280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2⁸³⁸²⁸⁰ 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 838280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993600).

838280 is an abundant number, since it is smaller than the sum of its proper divisors (1148920).

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

838280 is a wasteful number, since it uses less digits than its factorization.

838280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 838280 is about 915.5763212316. The cubic root of 838280 is about 94.2894353335.

The spelling of 838280 in words is "eight hundred thirty-eight thousand, two hundred eighty".