853982 has 8 divisors (see below), whose sum is σ = 1300296. Its totient is φ = 420552.

The previous prime is 853981. The next prime is 853999. The reversal of 853982 is 289358.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (162537).

2⁸⁵³⁹⁸² is an apocalyptic number.

853982 is a deficient number, since it is larger than the sum of its proper divisors (446314).

853982 is a wasteful number, since it uses less digits than its factorization.

853982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442.

The product of its digits is 17280, while the sum is 35.

The square root of 853982 is about 924.1114651383. Note that the first 3 decimals coincide. The cubic root of 853982 is about 94.8745157630.

The spelling of 853982 in words is "eight hundred fifty-three thousand, nine hundred eighty-two".