8398105 has 16 divisors (see below), whose sum is σ = 10632960. Its totient is φ = 6355008.

The previous prime is 8398097. The next prime is 8398111. The reversal of 8398105 is 5018938.

It is a cyclic number.

It is not a de Polignac number, because 8398105 - 2³ = 8398097 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11491 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (664560).

Almost surely, 2^8398105 is an apocalyptic number.

It is an amenable number.

8398105 is a deficient number, since it is larger than the sum of its proper divisors (2234855).

8398105 is a wasteful number, since it uses less digits than its factorization.

8398105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 8398105 is about 2897.9484122393. The cubic root of 8398105 is about 203.2639839348.

The spelling of 8398105 in words is "eight million, three hundred ninety-eight thousand, one hundred five".