8494220 has 96 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 2644992.

The previous prime is 8494219. The next prime is 8494231. The reversal of 8494220 is 224948.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102299 + ... + 102381.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

Almost surely, 2^8494220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8494220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11176704).

8494220 is an abundant number, since it is smaller than the sum of its proper divisors (13859188).

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

8494220 is a wasteful number, since it uses less digits than its factorization.

8494220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

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

The square root of 8494220 is about 2914.4845170287. The cubic root of 8494220 is about 204.0364858488.

The spelling of 8494220 in words is "eight million, four hundred ninety-four thousand, two hundred twenty".