827986 has 16 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 394416.

The previous prime is 827969. The next prime is 827987. The reversal of 827986 is 689728.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (827987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

827986 is a Friedman number, since it can be written as 97^2*88-6, using all its digits and the basic arithmetic operations.

2⁸²⁷⁹⁸⁶ is an apocalyptic number.

827986 is a deficient number, since it is larger than the sum of its proper divisors (474350).

827986 is a wasteful number, since it uses less digits than its factorization.

827986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 48384, while the sum is 40.

The square root of 827986 is about 909.9373604815. The cubic root of 827986 is about 93.9018894864.

The spelling of 827986 in words is "eight hundred twenty-seven thousand, nine hundred eighty-six".