9982457 has 2 divisors, whose sum is σ = 9982458. Its totient is φ = 9982456.

The previous prime is 9982433. The next prime is 9982477. The reversal of 9982457 is 7542899.

It is a happy number.

9982457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9024016 + 958441 = 3004^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 9982457 - 2¹² = 9978361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9982477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991228 + 4991229.

It is an arithmetic number, because the mean of its divisors is an integer number (4991229).

Almost surely, 2^9982457 is an apocalyptic number.

It is an amenable number.

9982457 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982457 is an equidigital number, since it uses as much as digits as its factorization.

9982457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 9982457 is about 3159.5026507348. The cubic root of 9982457 is about 215.3174111007.

The spelling of 9982457 in words is "nine million, nine hundred eighty-two thousand, four hundred fifty-seven".