9982557 has 24 divisors (see below), whose sum is σ = 15914808. Its totient is φ = 5990400.

The previous prime is 9982549. The next prime is 9982571. The reversal of 9982557 is 7552899.

It is a happy number.

9982557 is a `hidden beast` number, since 9 + 98 + 2 + 557 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 210681 + 9771876 = 459^2 + 3126^2 .

It is not a de Polignac number, because 9982557 - 2³ = 9982549 is a prime.

It is a d-powerful number, because it can be written as 9³ + 9⁴ + 8³ + 2²² + 5² + 5⁶ + 7⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982517) by changing a digit.

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, 3757 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (663117).

Almost surely, 2^9982557 is an apocalyptic number.

It is an amenable number.

9982557 is a deficient number, since it is larger than the sum of its proper divisors (5932251).

9982557 is a wasteful number, since it uses less digits than its factorization.

9982557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2138 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 9982557 is about 3159.5184759707. The cubic root of 9982557 is about 215.3181300844.

The spelling of 9982557 in words is "nine million, nine hundred eighty-two thousand, five hundred fifty-seven".