8396220 has 48 divisors (see below), whose sum is σ = 26869248. Its totient is φ = 1919040.

The previous prime is 8396189. The next prime is 8396243. The reversal of 8396220 is 226938.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 9576 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (559776).

Almost surely, 2^8396220 is an apocalyptic number.

It is an amenable number.

8396220 is an abundant number, since it is smaller than the sum of its proper divisors (18473028).

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

8396220 is a wasteful number, since it uses less digits than its factorization.

8396220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010 (or 20008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8396220 is about 2897.6231639052. The cubic root of 8396220 is about 203.2487748973.

The spelling of 8396220 in words is "eight million, three hundred ninety-six thousand, two hundred twenty".