8101908 has 36 divisors (see below), whose sum is σ = 20791680. Its totient is φ = 2659536.

The previous prime is 8101903. The next prime is 8101909. The reversal of 8101908 is 8091018.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733 + ... + 4091.

Almost surely, 2^8101908 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 8101908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10395840).

8101908 is an abundant number, since it is smaller than the sum of its proper divisors (12689772).

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

8101908 is a wasteful number, since it uses less digits than its factorization.

8101908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 8101908 is about 2846.3850758462. The cubic root of 8101908 is about 200.8456526517.

It can be divided in two parts, 8101 and 908, that added together give a palindrome (9009).

The spelling of 8101908 in words is "eight million, one hundred one thousand, nine hundred eight".