8398844 has 6 divisors (see below), whose sum is σ = 14697984. Its totient is φ = 4199420.

The previous prime is 8398811. The next prime is 8398877. The reversal of 8398844 is 4488938.

It is an interprime number because it is at equal distance from previous prime (8398811) and next prime (8398877).

It is a junction number, because it is equal to n+sod(n) for n = 8398795 and 8398804.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1049852 + ... + 1049859.

It is an arithmetic number, because the mean of its divisors is an integer number (2449664).

Almost surely, 2^8398844 is an apocalyptic number.

It is an amenable number.

8398844 is a deficient number, since it is larger than the sum of its proper divisors (6299140).

8398844 is a wasteful number, since it uses less digits than its factorization.

8398844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099715 (or 2099713 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 8398844 is about 2898.0759134295. The cubic root of 8398844 is about 203.2699459019.

The spelling of 8398844 in words is "eight million, three hundred ninety-eight thousand, eight hundred forty-four".