898180 has 12 divisors (see below), whose sum is σ = 1886220. Its totient is φ = 359264.

The previous prime is 898171. The next prime is 898181. The reversal of 898180 is 81898.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 665856 = 482^2 + 816^2 .

It is not an unprimeable number, because it can be changed into a prime (898181) 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, 22435 + ... + 22474.

It is an arithmetic number, because the mean of its divisors is an integer number (157185).

2⁸⁹⁸¹⁸⁰ is an apocalyptic number.

It is an amenable number.

898180 is an abundant number, since it is smaller than the sum of its proper divisors (988040).

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

898180 is a wasteful number, since it uses less digits than its factorization.

898180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44918 (or 44916 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 898180 is about 947.7235883948. The cubic root of 898180 is about 96.4838134054.

The spelling of 898180 in words is "eight hundred ninety-eight thousand, one hundred eighty".