8678642 has 16 divisors (see below), whose sum is σ = 14948160. Its totient is φ = 3701808.

The previous prime is 8678639. The next prime is 8678669. The reversal of 8678642 is 2468768.

It is a self number, because there is not a number n which added to its sum of digits gives 8678642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (934260).

Almost surely, 2^8678642 is an apocalyptic number.

8678642 is a deficient number, since it is larger than the sum of its proper divisors (6269518).

8678642 is a wasteful number, since it uses less digits than its factorization.

8678642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its digits is 129024, while the sum is 41.

The square root of 8678642 is about 2945.9534958991. The cubic root of 8678642 is about 205.5025702029.

The spelling of 8678642 in words is "eight million, six hundred seventy-eight thousand, six hundred forty-two".