8354220 has 48 divisors (see below), whose sum is σ = 26734848. Its totient is φ = 1909440.

The previous prime is 8354209. The next prime is 8354237. The reversal of 8354220 is 224538.

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, 9526 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (556976).

Almost surely, 2^8354220 is an apocalyptic number.

It is an amenable number.

8354220 is an abundant number, since it is smaller than the sum of its proper divisors (18380628).

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

8354220 is a wasteful number, since it uses less digits than its factorization.

8354220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910 (or 19908 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8354220 is about 2890.3667587350. The cubic root of 8354220 is about 202.9093077699.

Adding to 8354220 its reverse (224538), we get a palindrome (8578758).

The spelling of 8354220 in words is "eight million, three hundred fifty-four thousand, two hundred twenty".