8428568 has 8 divisors (see below), whose sum is σ = 15803580. Its totient is φ = 4214280.

The previous prime is 8428547. The next prime is 8428591. The reversal of 8428568 is 8658248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×8428568³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526778 + ... + 526793.

Almost surely, 2^8428568 is an apocalyptic number.

It is an amenable number.

8428568 is a deficient number, since it is larger than the sum of its proper divisors (7375012).

8428568 is a wasteful number, since it uses less digits than its factorization.

8428568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053577 (or 1053573 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 8428568 is about 2903.1996142188. The cubic root of 8428568 is about 203.5094583155.

The spelling of 8428568 in words is "eight million, four hundred twenty-eight thousand, five hundred sixty-eight".