841986 has 24 divisors (see below), whose sum is σ = 1888380. Its totient is φ = 270816.

The previous prime is 841979. The next prime is 841987. The reversal of 841986 is 689148.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 837225 + 4761 = 915^2 + 69^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 841986.

It is not an unprimeable number, because it can be changed into a prime (841987) by changing a digit.

841986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285 + ... + 1328.

2⁸⁴¹⁹⁸⁶ is an apocalyptic number.

841986 is an abundant number, since it is smaller than the sum of its proper divisors (1046394).

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

841986 is a wasteful number, since it uses less digits than its factorization.

841986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1647 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 841986 is about 917.5979511747. The cubic root of 841986 is about 94.4281809238.

The spelling of 841986 in words is "eight hundred forty-one thousand, nine hundred eighty-six".