8839220 has 24 divisors (see below), whose sum is σ = 19990824. Its totient is φ = 3263616.

The previous prime is 8839211. The next prime is 8839249. The reversal of 8839220 is 229388.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 8549776 = 538^2 + 2924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16739 + ... + 17258.

It is an arithmetic number, because the mean of its divisors is an integer number (832951).

Almost surely, 2^8839220 is an apocalyptic number.

It is an amenable number.

8839220 is an abundant number, since it is smaller than the sum of its proper divisors (11151604).

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

8839220 is a wasteful number, since it uses less digits than its factorization.

8839220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34019 (or 34017 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8839220 is about 2973.0825753753. The cubic root of 8839220 is about 206.7622808816.

The spelling of 8839220 in words is "eight million, eight hundred thirty-nine thousand, two hundred twenty".