898385 has 8 divisors (see below), whose sum is σ = 1083240. Its totient is φ = 715264.

The previous prime is 898369. The next prime is 898409. The reversal of 898385 is 583898.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 732736 = 407^2 + 856^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 898385 - 2⁴ = 898369 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (135405).

2⁸⁹⁸³⁸⁵ is an apocalyptic number.

It is an amenable number.

898385 is a deficient number, since it is larger than the sum of its proper divisors (184855).

898385 is a wasteful number, since it uses less digits than its factorization.

898385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its digits is 69120, while the sum is 41.

The square root of 898385 is about 947.8317361220. The cubic root of 898385 is about 96.4911533139.

The spelling of 898385 in words is "eight hundred ninety-eight thousand, three hundred eighty-five".