8398938 has 16 divisors (see below), whose sum is σ = 16871040. Its totient is φ = 2787456.

The previous prime is 8398937. The next prime is 8398961.

8398938 is nontrivially palindromic in base 10.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8398937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 4362.

It is an arithmetic number, because the mean of its divisors is an integer number (1054440).

Almost surely, 2^8398938 is an apocalyptic number.

8398938 is an abundant number, since it is smaller than the sum of its proper divisors (8472102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8398938 is a wasteful number, since it uses less digits than its factorization.

8398938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101.

The product of its digits is 373248, while the sum is 48.

The square root of 8398938 is about 2898.0921310407. The cubic root of 8398938 is about 203.2707042326.

The spelling of 8398938 in words is "eight million, three hundred ninety-eight thousand, nine hundred thirty-eight".