895986 has 48 divisors (see below), whose sum is σ = 2393664. Its totient is φ = 235872.

The previous prime is 895957. The next prime is 895987. The reversal of 895986 is 689598.

895986 = 169² + 170² + ... + 195².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (895987) by changing a digit.

895986 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1365 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (49868).

2⁸⁹⁵⁹⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 895986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196832).

895986 is an abundant number, since it is smaller than the sum of its proper divisors (1497678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

895986 is a wasteful number, since it uses less digits than its factorization.

895986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 572 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 895986 is about 946.5653701673. The cubic root of 895986 is about 96.4051884514.

It can be divided in two parts, 8959 and 86, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 895986 in words is "eight hundred ninety-five thousand, nine hundred eighty-six".