838812 has 48 divisors (see below), whose sum is σ = 2226560. Its totient is φ = 243648.

The previous prime is 838807. The next prime is 838813. The reversal of 838812 is 218838.

838812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 838812.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 838812.

It is not an unprimeable number, because it can be changed into a prime (838813) by changing a digit.

838812 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 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 3105.

2⁸³⁸⁸¹² 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 838812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113280).

838812 is an abundant number, since it is smaller than the sum of its proper divisors (1387748).

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

838812 is a wasteful number, since it uses less digits than its factorization.

838812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 838812 is about 915.8668025428. The cubic root of 838812 is about 94.3093775055.

The spelling of 838812 in words is "eight hundred thirty-eight thousand, eight hundred twelve".