899285 has 8 divisors (see below), whose sum is σ = 1108536. Its totient is φ = 699840.

The previous prime is 899273. The next prime is 899291. The reversal of 899285 is 582998.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 461041 + 438244 = 679^2 + 662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 899285 - 2⁶ = 899221 is a prime.

It is a super-2 number, since 2×899285² = 1617427022450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 899285.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (138567).

2⁸⁹⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

899285 is a deficient number, since it is larger than the sum of its proper divisors (209251).

899285 is a wasteful number, since it uses less digits than its factorization.

899285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903.

The product of its digits is 51840, while the sum is 41.

The square root of 899285 is about 948.3063850887. The cubic root of 899285 is about 96.5233640976.

The spelling of 899285 in words is "eight hundred ninety-nine thousand, two hundred eighty-five".