8560042 has 4 divisors (see below), whose sum is σ = 12840066. Its totient is φ = 4280020.

The previous prime is 8560031. The next prime is 8560049. The reversal of 8560042 is 2400658.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 2852721 = 2389^2 + 1689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8559989 and 8560016.

It is not an unprimeable number, because it can be changed into a prime (8560049) by changing a digit.

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 as a sum of consecutive naturals, namely, 2140009 + ... + 2140012.

Almost surely, 2^8560042 is an apocalyptic number.

8560042 is a deficient number, since it is larger than the sum of its proper divisors (4280024).

8560042 is a wasteful number, since it uses less digits than its factorization.

8560042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280023.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8560042 is about 2925.7549453090. The cubic root of 8560042 is about 204.5621589171.

The spelling of 8560042 in words is "eight million, five hundred sixty thousand, forty-two".