858982 has 8 divisors (see below), whose sum is σ = 1293552. Its totient is φ = 427800.

The previous prime is 858961. The next prime is 858989. The reversal of 858982 is 289858.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858989) by changing a digit.

858982 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 69 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (161694).

2⁸⁵⁸⁹⁸² is an apocalyptic number.

858982 is a deficient number, since it is larger than the sum of its proper divisors (434570).

858982 is a wasteful number, since it uses less digits than its factorization.

858982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its digits is 46080, while the sum is 40.

The square root of 858982 is about 926.8128182109. The cubic root of 858982 is about 95.0593166032.

The spelling of 858982 in words is "eight hundred fifty-eight thousand, nine hundred eighty-two".