8368220 has 36 divisors (see below), whose sum is σ = 20444760. Its totient is φ = 2868768.

The previous prime is 8368219. The next prime is 8368229. The reversal of 8368220 is 228638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368229) 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, 3290 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (567910).

Almost surely, 2^8368220 is an apocalyptic number.

It is an amenable number.

8368220 is an abundant number, since it is smaller than the sum of its proper divisors (12076540).

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

8368220 is a wasteful number, since it uses less digits than its factorization.

8368220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562 (or 8553 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8368220 is about 2892.7875829380. The cubic root of 8368220 is about 203.0225896384.

The spelling of 8368220 in words is "eight million, three hundred sixty-eight thousand, two hundred twenty".