908908 has 48 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 325440.

The previous prime is 908893. The next prime is 908909. The reversal of 908908 is 809809.

It is a super-2 number, since 2×908908² = 1652227504928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (908909) by changing a digit.

908908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 3891 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2⁹⁰⁸⁹⁰⁸ 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 908908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072512).

908908 is an abundant number, since it is smaller than the sum of its proper divisors (1236116).

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

908908 is a wasteful number, since it uses less digits than its factorization.

908908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 908908 is about 953.3666660839. The cubic root of 908908 is about 96.8664332348.

Subtracting from 908908 its reverse (809809), we obtain a palindrome (99099).

It can be divided in two parts, 90 and 8908, that added together give a palindrome (8998).

The spelling of 908908 in words is "nine hundred eight thousand, nine hundred eight".