9982439 has 4 divisors (see below), whose sum is σ = 9994920. Its totient is φ = 9969960.

The previous prime is 9982433. The next prime is 9982457. The reversal of 9982439 is 9342899.

9982439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9982439 - 2⁸ = 9982183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9982439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (2498730).

Almost surely, 2^9982439 is an apocalyptic number.

9982439 is a deficient number, since it is larger than the sum of its proper divisors (12481).

9982439 is a wasteful number, since it uses less digits than its factorization.

9982439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480.

The product of its digits is 139968, while the sum is 44.

The square root of 9982439 is about 3159.4998021839. The cubic root of 9982439 is about 215.3172816832.

The spelling of 9982439 in words is "nine million, nine hundred eighty-two thousand, four hundred thirty-nine".