898563 has 4 divisors (see below), whose sum is σ = 1198088. Its totient is φ = 599040.

The previous prime is 898561. The next prime is 898607. The reversal of 898563 is 365898.

898563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 898563 - 2¹ = 898561 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149758 + ... + 149763.

It is an arithmetic number, because the mean of its divisors is an integer number (299522).

2⁸⁹⁸⁵⁶³ is an apocalyptic number.

898563 is a deficient number, since it is larger than the sum of its proper divisors (299525).

898563 is a wasteful number, since it uses less digits than its factorization.

898563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299524.

The product of its digits is 51840, while the sum is 39.

The square root of 898563 is about 947.9256299943. The cubic root of 898563 is about 96.4975255972.

The spelling of 898563 in words is "eight hundred ninety-eight thousand, five hundred sixty-three".