898455 has 16 divisors (see below), whose sum is σ = 1455840. Its totient is φ = 473088.

The previous prime is 898439. The next prime is 898459. The reversal of 898455 is 554898.

It is not a de Polignac number, because 898455 - 2⁴ = 898439 is a prime.

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 898455.

It is not an unprimeable number, because it can be changed into a prime (898459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (90990).

2⁸⁹⁸⁴⁵⁵ is an apocalyptic number.

898455 is a deficient number, since it is larger than the sum of its proper divisors (557385).

898455 is a wasteful number, since it uses less digits than its factorization.

898455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 57600, while the sum is 39.

The square root of 898455 is about 947.8686617881. The cubic root of 898455 is about 96.4936593684.

The spelling of 898455 in words is "eight hundred ninety-eight thousand, four hundred fifty-five".