898290 has 40 divisors (see below), whose sum is σ = 2417580. Its totient is φ = 239328.

The previous prime is 898283. The next prime is 898291. The reversal of 898290 is 92898.

It can be written as a sum of positive squares in 2 ways, for example, as 762129 + 136161 = 873^2 + 369^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (898291) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 256 + ... + 1364.

2⁸⁹⁸²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208790).

898290 is an abundant number, since it is smaller than the sum of its proper divisors (1519290).

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

898290 is a wasteful number, since it uses less digits than its factorization.

898290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 898290 is about 947.7816204169. The cubic root of 898290 is about 96.4877520318.

The spelling of 898290 in words is "eight hundred ninety-eight thousand, two hundred ninety".