981036 has 72 divisors (see below), whose sum is σ = 3013920. Its totient is φ = 262656.

The previous prime is 981023. The next prime is 981037. The reversal of 981036 is 630189.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (981037) by changing a digit.

981036 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (41860).

2⁹⁸¹⁰³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 981036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506960).

981036 is an abundant number, since it is smaller than the sum of its proper divisors (2032884).

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

981036 is a wasteful number, since it uses less digits than its factorization.

981036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 981036 is about 990.4726144624. The cubic root of 981036 is about 99.3638281021.

The spelling of 981036 in words is "nine hundred eighty-one thousand, thirty-six".