982387849 has 4 divisors (see below), whose sum is σ = 982736964. Its totient is φ = 982038736.

The previous prime is 982387841. The next prime is 982387873. The reversal of 982387849 is 948783289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948783289 = 443 ⋅2141723.

It can be written as a sum of positive squares in 2 ways, for example, as 314423824 + 667964025 = 17732^2 + 25845^2 .

It is a cyclic number.

It is not a de Polignac number, because 982387849 - 2³ = 982387841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 982387793 and 982387802.

It is not an unprimeable number, because it can be changed into a prime (982387841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 170302 + ... + 175975.

It is an arithmetic number, because the mean of its divisors is an integer number (245684241).

Almost surely, 2^982387849 is an apocalyptic number.

It is an amenable number.

982387849 is a deficient number, since it is larger than the sum of its proper divisors (349115).

982387849 is a wasteful number, since it uses less digits than its factorization.

982387849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349114.

The product of its digits is 6967296, while the sum is 58.

The square root of 982387849 is about 31343.0670005346. The cubic root of 982387849 is about 994.0944764436.

The spelling of 982387849 in words is "nine hundred eighty-two million, three hundred eighty-seven thousand, eight hundred forty-nine".