838266 has 32 divisors (see below), whose sum is σ = 1971648. Its totient is φ = 234240.

The previous prime is 838249. The next prime is 838349. The reversal of 838266 is 662838.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (61614).

2⁸³⁸²⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985824).

838266 is an abundant number, since it is smaller than the sum of its proper divisors (1133382).

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

838266 is a wasteful number, since it uses less digits than its factorization.

838266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 13824, while the sum is 33.

The square root of 838266 is about 915.5686757420. The cubic root of 838266 is about 94.2889104256.

It can be divided in two parts, 8382 and 66, that added together give a palindrome (8448).

The spelling of 838266 in words is "eight hundred thirty-eight thousand, two hundred sixty-six".