8428868 has 24 divisors (see below), whose sum is σ = 17113152. Its totient is φ = 3557664.

The previous prime is 8428867. The next prime is 8428873. The reversal of 8428868 is 8688248.

It is a super-2 number, since 2×8428868² = 142091631522848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8428867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (713048).

Almost surely, 2^8428868 is an apocalyptic number.

It is an amenable number.

8428868 is an abundant number, since it is smaller than the sum of its proper divisors (8684284).

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

8428868 is a wasteful number, since it uses less digits than its factorization.

8428868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 8428868 is about 2903.2512808918. The cubic root of 8428868 is about 203.5118728069.

The spelling of 8428868 in words is "eight million, four hundred twenty-eight thousand, eight hundred sixty-eight".