8394220 has 12 divisors (see below), whose sum is σ = 17627904. Its totient is φ = 3357680.

The previous prime is 8394187. The next prime is 8394223. The reversal of 8394220 is 224938.

8394220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8³ + 3⁵ + 9³ + 4⁶ + 2⁵ + 2²³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (8394223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209836 + ... + 209875.

It is an arithmetic number, because the mean of its divisors is an integer number (1468992).

Almost surely, 2^8394220 is an apocalyptic number.

It is an amenable number.

8394220 is an abundant number, since it is smaller than the sum of its proper divisors (9233684).

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

8394220 is a wasteful number, since it uses less digits than its factorization.

8394220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419720 (or 419718 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8394220 is about 2897.2780329130. The cubic root of 8394220 is about 203.2326354985.

The spelling of 8394220 in words is "eight million, three hundred ninety-four thousand, two hundred twenty".