898380 has 144 divisors (see below), whose sum is σ = 3354624. Its totient is φ = 190080.

The previous prime is 898369. The next prime is 898409. The reversal of 898380 is 83898.

898380 = 155² + 156² + ... + 185².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28965 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (23296).

2⁸⁹⁸³⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677312).

898380 is an abundant number, since it is smaller than the sum of its proper divisors (2456244).

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

898380 is a wasteful number, since it uses less digits than its factorization.

898380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 898380 is about 947.8290985193. The cubic root of 898380 is about 96.4909743051.

The spelling of 898380 in words is "eight hundred ninety-eight thousand, three hundred eighty".