908825 has 6 divisors (see below), whose sum is σ = 1126974. Its totient is φ = 727040.

The previous prime is 908821. The next prime is 908849. The reversal of 908825 is 528809.

It can be written as a sum of positive squares in 3 ways, for example, as 17689 + 891136 = 133^2 + 944^2 .

It is not a de Polignac number, because 908825 - 2² = 908821 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 908791 and 908800.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 908825.

It is not an unprimeable number, because it can be changed into a prime (908821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18152 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (187829).

2⁹⁰⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

908825 is a deficient number, since it is larger than the sum of its proper divisors (218149).

908825 is a wasteful number, since it uses less digits than its factorization.

908825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36363 (or 36358 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 908825 is about 953.3231351436. The cubic root of 908825 is about 96.8634845834.

The spelling of 908825 in words is "nine hundred eight thousand, eight hundred twenty-five".