8398043 has 4 divisors (see below), whose sum is σ = 8403840. Its totient is φ = 8392248.

The previous prime is 8398021. The next prime is 8398067. The reversal of 8398043 is 3408938.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8398043 - 2¹⁰ = 8397019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8397994 and 8398012.

It is not an unprimeable number, because it can be changed into a prime (8398003) 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, 1421 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (2100960).

Almost surely, 2^8398043 is an apocalyptic number.

8398043 is a deficient number, since it is larger than the sum of its proper divisors (5797).

8398043 is a wasteful number, since it uses less digits than its factorization.

8398043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 8398043 is about 2897.9377149966. The cubic root of 8398043 is about 203.2634837268.

The spelling of 8398043 in words is "eight million, three hundred ninety-eight thousand, forty-three".