860042 has 8 divisors (see below), whose sum is σ = 1294176. Its totient is φ = 428652.

The previous prime is 860029. The next prime is 860051. The reversal of 860042 is 240068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 859996 and 860023.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 860042.

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 3 ways as a sum of consecutive naturals, for example, 533 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (161772).

2⁸⁶⁰⁰⁴² is an apocalyptic number.

860042 is a deficient number, since it is larger than the sum of its proper divisors (434134).

860042 is a wasteful number, since it uses less digits than its factorization.

860042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 860042 is about 927.3844941555. The cubic root of 860042 is about 95.0984021937.

The spelling of 860042 in words is "eight hundred sixty thousand, forty-two".