982981 has 2 divisors, whose sum is σ = 982982. Its totient is φ = 982980.

The previous prime is 982973. The next prime is 983063. The reversal of 982981 is 189289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 900 = 991^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 982981 - 2³ = 982973 is a prime.

It is a super-2 number, since 2×982981² = 1932503292722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 982981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491490 + 491491.

It is an arithmetic number, because the mean of its divisors is an integer number (491491).

2⁹⁸²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

982981 is a deficient number, since it is larger than the sum of its proper divisors (1).

982981 is an equidigital number, since it uses as much as digits as its factorization.

982981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 37.

The square root of 982981 is about 991.4539827950. The cubic root of 982981 is about 99.4294509285.

The spelling of 982981 in words is "nine hundred eighty-two thousand, nine hundred eighty-one".