898530 has 32 divisors (see below), whose sum is σ = 2196288. Its totient is φ = 235200.

The previous prime is 898523. The next prime is 898543. The reversal of 898530 is 35898.

It is a junction number, because it is equal to n+sod(n) for n = 898491 and 898500.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898530.

It is an unprimeable number.

898530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (68634).

2⁸⁹⁸⁵³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098144).

898530 is an abundant number, since it is smaller than the sum of its proper divisors (1297758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898530 is a wasteful number, since it uses less digits than its factorization.

898530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 898530 is about 947.9082234056. The cubic root of 898530 is about 96.4963442824.

The spelling of 898530 in words is "eight hundred ninety-eight thousand, five hundred thirty".