7804216 has 16 divisors (see below), whose sum is σ = 16723440. Its totient is φ = 3344640.

The previous prime is 7804201. The next prime is 7804229. The reversal of 7804216 is 6124087.

7804216 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

7804216 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69625 + ... + 69736.

It is an arithmetic number, because the mean of its divisors is an integer number (1045215).

Almost surely, 2^7804216 is an apocalyptic number.

It is an amenable number.

7804216 is an abundant number, since it is smaller than the sum of its proper divisors (8919224).

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

7804216 is a wasteful number, since it uses less digits than its factorization.

7804216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139374 (or 139370 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7804216 is about 2793.6026918658. The cubic root of 7804216 is about 198.3549731977.

The spelling of 7804216 in words is "seven million, eight hundred four thousand, two hundred sixteen".