298688 has 28 divisors (see below), whose sum is σ = 640080. Its totient is φ = 137472.

The previous prime is 298687. The next prime is 298691. The reversal of 298688 is 886892.

It is a happy number.

Its product of digits (55296) is a multiple of the sum of its prime factors (384).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (298681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (22860).

2²⁹⁸⁶⁸⁸ 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 298688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320040).

298688 is an abundant number, since it is smaller than the sum of its proper divisors (341392).

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

298688 is a wasteful number, since it uses less digits than its factorization.

298688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 298688 is about 546.5235585041. The cubic root of 298688 is about 66.8455639515.

The spelling of 298688 in words is "two hundred ninety-eight thousand, six hundred eighty-eight".