7803216 has 80 divisors (see below), whose sum is σ = 22776320. Its totient is φ = 2589408.

The previous prime is 7803203. The next prime is 7803217. The reversal of 7803216 is 6123087.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 7803216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7803217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34881 + ... + 35103.

It is an arithmetic number, because the mean of its divisors is an integer number (284704).

Almost surely, 2^7803216 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 7803216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11388160).

7803216 is an abundant number, since it is smaller than the sum of its proper divisors (14973104).

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

7803216 is an equidigital number, since it uses as much as digits as its factorization.

7803216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7803216 is about 2793.4237057776. The cubic root of 7803216 is about 198.3465007068.

The spelling of 7803216 in words is "seven million, eight hundred three thousand, two hundred sixteen".