908889 has 16 divisors (see below), whose sum is σ = 1297920. Its totient is φ = 564480.

The previous prime is 908881. The next prime is 908893. The reversal of 908889 is 988809.

It is not a de Polignac number, because 908889 - 2³ = 908881 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 908889.

It is not an unprimeable number, because it can be changed into a prime (908881) 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 15 ways as a sum of consecutive naturals, for example, 2529 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (81120).

2⁹⁰⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

908889 is a deficient number, since it is larger than the sum of its proper divisors (389031).

908889 is a wasteful number, since it uses less digits than its factorization.

908889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 908889 is about 953.3567013453. The cubic root of 908889 is about 96.8657582582.

The spelling of 908889 in words is "nine hundred eight thousand, eight hundred eighty-nine".