898465 has 4 divisors (see below), whose sum is σ = 1078164. Its totient is φ = 718768.

The previous prime is 898459. The next prime is 898477. The reversal of 898465 is 564898.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 659344 = 489^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 898465 - 2¹¹ = 896417 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

898465 is a lucky number.

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 3 ways as a sum of consecutive naturals, for example, 89842 + ... + 89851.

It is an arithmetic number, because the mean of its divisors is an integer number (269541).

2⁸⁹⁸⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

898465 is a deficient number, since it is larger than the sum of its proper divisors (179699).

898465 is a wasteful number, since it uses less digits than its factorization.

898465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179698.

The product of its digits is 69120, while the sum is 40.

The square root of 898465 is about 947.8739367659. The cubic root of 898465 is about 96.4940173656.

The spelling of 898465 in words is "eight hundred ninety-eight thousand, four hundred sixty-five".