8136408 has 64 divisors (see below), whose sum is σ = 24480000. Its totient is φ = 2201472.

The previous prime is 8136397. The next prime is 8136433. The reversal of 8136408 is 8046318.

It is a happy number.

8136408 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8136408² = 132402270284928, which contains 22 as substring.

It is a congruent number.

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, 1918 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (382500).

Almost surely, 2^8136408 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 8136408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12240000).

8136408 is an abundant number, since it is smaller than the sum of its proper divisors (16343592).

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

8136408 is a wasteful number, since it uses less digits than its factorization.

8136408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2580 counting only the distinct ones).

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

The square root of 8136408 is about 2852.4389564020. The cubic root of 8136408 is about 201.1303330347.

The spelling of 8136408 in words is "eight million, one hundred thirty-six thousand, four hundred eight".