868042 has 8 divisors (see below), whose sum is σ = 1488096. Its totient is φ = 372012.

The previous prime is 868039. The next prime is 868051. The reversal of 868042 is 240868.

868042 is nontrivially palindromic in base 9.

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

It is a self number, because there is not a number n which added to its sum of digits gives 868042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30988 + ... + 31015.

It is an arithmetic number, because the mean of its divisors is an integer number (186012).

2⁸⁶⁸⁰⁴² is an apocalyptic number.

868042 is a deficient number, since it is larger than the sum of its proper divisors (620054).

868042 is a wasteful number, since it uses less digits than its factorization.

868042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62012.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 868042 is about 931.6877159220. The cubic root of 868042 is about 95.3923569919.

It can be divided in two parts, 86 and 8042, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 868042 in words is "eight hundred sixty-eight thousand, forty-two".