8105408 has 28 divisors (see below), whose sum is σ = 16276320. Its totient is φ = 4004352.

The previous prime is 8105401. The next prime is 8105423. The reversal of 8105408 is 8045018.

It is a Cunningham number, because it is equal to 2847²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4985 + ... + 6407.

Almost surely, 2^8105408 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 8105408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8138160).

8105408 is an abundant number, since it is smaller than the sum of its proper divisors (8170912).

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

8105408 is a wasteful number, since it uses less digits than its factorization.

8105408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8105408 is about 2846.9998243765. Note that the first 3 decimals coincide. The cubic root of 8105408 is about 200.8745700616.

The spelling of 8105408 in words is "eight million, one hundred five thousand, four hundred eight".