841216 has 40 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 399360.

The previous prime is 841213. The next prime is 841219. The reversal of 841216 is 612148.

It is an interprime number because it is at equal distance from previous prime (841213) and next prime (841219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15846 + ... + 15898.

2⁸⁴¹²¹⁶ 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 841216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883872).

841216 is an abundant number, since it is smaller than the sum of its proper divisors (926528).

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

841216 is an equidigital number, since it uses as much as digits as its factorization.

841216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 86 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 841216 is about 917.1782814699. The cubic root of 841216 is about 94.3993871453.

The spelling of 841216 in words is "eight hundred forty-one thousand, two hundred sixteen".