911982 has 16 divisors (see below), whose sum is σ = 1931472. Its totient is φ = 286080.

The previous prime is 911969. The next prime is 912007. The reversal of 911982 is 289119.

It is a super-2 number, since 2×911982² = 1663422336648, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

911982 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 7 ways as a sum of consecutive naturals, for example, 4369 + ... + 4572.

It is an arithmetic number, because the mean of its divisors is an integer number (120717).

2⁹¹¹⁹⁸² is an apocalyptic number.

911982 is an abundant number, since it is smaller than the sum of its proper divisors (1019490).

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

911982 is a wasteful number, since it uses less digits than its factorization.

911982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its digits is 1296, while the sum is 30.

The square root of 911982 is about 954.9774866456. The cubic root of 911982 is about 96.9755137116.

The spelling of 911982 in words is "nine hundred eleven thousand, nine hundred eighty-two".