845986 has 16 divisors (see below), whose sum is σ = 1353024. Its totient is φ = 395824.

The previous prime is 845983. The next prime is 845987. The reversal of 845986 is 689548.

It is a d-powerful number, because it can be written as 8⁴ + 4⁵ + 9⁶ + 5⁴ + 8⁶ + 6⁶ .

It is not an unprimeable number, because it can be changed into a prime (845981) 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, 2265 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (84564).

2⁸⁴⁵⁹⁸⁶ is an apocalyptic number.

845986 is a deficient number, since it is larger than the sum of its proper divisors (507038).

845986 is a wasteful number, since it uses less digits than its factorization.

845986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 69120, while the sum is 40.

The square root of 845986 is about 919.7749724797. The cubic root of 845986 is about 94.5774772175.

The spelling of 845986 in words is "eight hundred forty-five thousand, nine hundred eighty-six".