908985 has 32 divisors (see below), whose sum is σ = 1815552. Its totient is φ = 377280.

The previous prime is 908959. The next prime is 908993. The reversal of 908985 is 589809.

It is not a de Polignac number, because 908985 - 2⁵ = 908953 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 908985.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (56736).

2⁹⁰⁸⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

908985 is a deficient number, since it is larger than the sum of its proper divisors (906567).

908985 is a wasteful number, since it uses less digits than its factorization.

908985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 908985 is about 953.4070484321. The cubic root of 908985 is about 96.8691685702.

The spelling of 908985 in words is "nine hundred eight thousand, nine hundred eighty-five".