8219850 has 24 divisors (see below), whose sum is σ = 20385600. Its totient is φ = 2191920.

The previous prime is 8219839. The next prime is 8219851. The reversal of 8219850 is 589128.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8219851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27250 + ... + 27549.

It is an arithmetic number, because the mean of its divisors is an integer number (849400).

Almost surely, 2^8219850 is an apocalyptic number.

8219850 is an abundant number, since it is smaller than the sum of its proper divisors (12165750).

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

8219850 is a wasteful number, since it uses less digits than its factorization.

8219850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54814 (or 54809 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 8219850 is about 2867.0280779930. The cubic root of 8219850 is about 201.8155523117.

The spelling of 8219850 in words is "eight million, two hundred nineteen thousand, eight hundred fifty".