841812 has 48 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 259840.

The previous prime is 841801. The next prime is 841849. The reversal of 841812 is 218148.

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 841812.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14239 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁸⁴¹⁸¹² is an apocalyptic number.

841812 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058400).

841812 is an abundant number, since it is smaller than the sum of its proper divisors (1274988).

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

841812 is a wasteful number, since it uses less digits than its factorization.

841812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 134 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 841812 is about 917.5031335096. The cubic root of 841812 is about 94.4216758135.

It can be divided in two parts, 841 and 812, that added together give a triangular number (1653 = T₅₇).

The spelling of 841812 in words is "eight hundred forty-one thousand, eight hundred twelve".