8671408 has 20 divisors (see below), whose sum is σ = 17053720. Its totient is φ = 4270464.

The previous prime is 8671393. The next prime is 8671409. The reversal of 8671408 is 8041768.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8671409) 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 3 ways as a sum of consecutive naturals, for example, 2973 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (852686).

Almost surely, 2^8671408 is an apocalyptic number.

It is an amenable number.

8671408 is a deficient number, since it is larger than the sum of its proper divisors (8382312).

8671408 is a wasteful number, since it uses less digits than its factorization.

8671408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164 (or 8158 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 8671408 is about 2944.7254540958. The cubic root of 8671408 is about 205.4454560893.

The spelling of 8671408 in words is "eight million, six hundred seventy-one thousand, four hundred eight".