8398667 has 4 divisors (see below), whose sum is σ = 8625696. Its totient is φ = 8171640.

The previous prime is 8398633. The next prime is 8398673. The reversal of 8398667 is 7668938.

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 8398667 - 2¹⁶ = 8333131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398067) 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, 113459 + ... + 113532.

It is an arithmetic number, because the mean of its divisors is an integer number (2156424).

Almost surely, 2^8398667 is an apocalyptic number.

8398667 is a deficient number, since it is larger than the sum of its proper divisors (227029).

8398667 is a wasteful number, since it uses less digits than its factorization.

8398667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227028.

The product of its digits is 435456, while the sum is 47.

The square root of 8398667 is about 2898.0453757662. The cubic root of 8398667 is about 203.2685179660.

The spelling of 8398667 in words is "eight million, three hundred ninety-eight thousand, six hundred sixty-seven".