8613408 has 96 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 2655488.

The previous prime is 8613391. The next prime is 8613421. The reversal of 8613408 is 8043168.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103735 + ... + 103817.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^8613408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8613408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

8613408 is an abundant number, since it is smaller than the sum of its proper divisors (15772128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8613408 is a wasteful number, since it uses less digits than its factorization.

8613408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8613408 is about 2934.8608144169. The cubic root of 8613408 is about 204.9863802175.

The spelling of 8613408 in words is "eight million, six hundred thirteen thousand, four hundred eight".