982844981 has 2 divisors, whose sum is σ = 982844982. Its totient is φ = 982844980.

The previous prime is 982844971. The next prime is 982844983. The reversal of 982844981 is 189448289.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558896881 + 423948100 = 23641^2 + 20590^2 .

It is a cyclic number.

It is not a de Polignac number, because 982844981 - 2¹⁰ = 982843957 is a prime.

It is a super-2 number, since 2×982844981² = 1931968513353780722, which contains 22 as substring.

Together with 982844983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982844983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491422490 + 491422491.

It is an arithmetic number, because the mean of its divisors is an integer number (491422491).

Almost surely, 2^982844981 is an apocalyptic number.

It is an amenable number.

982844981 is a deficient number, since it is larger than the sum of its proper divisors (1).

982844981 is an equidigital number, since it uses as much as digits as its factorization.

982844981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 53.

The square root of 982844981 is about 31350.3585465940. The cubic root of 982844981 is about 994.2486456713.

The spelling of 982844981 in words is "nine hundred eighty-two million, eight hundred forty-four thousand, nine hundred eighty-one".