298528 has 24 divisors (see below), whose sum is σ = 619920. Its totient is φ = 141120.

The previous prime is 298513. The next prime is 298559. The reversal of 298528 is 825892.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 298493 and 298502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (25830).

2²⁹⁸⁵²⁸ 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 298528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309960).

298528 is an abundant number, since it is smaller than the sum of its proper divisors (321392).

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

298528 is a wasteful number, since it uses less digits than its factorization.

298528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 512 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 298528 is about 546.3771591126. The cubic root of 298528 is about 66.8336259643.

The spelling of 298528 in words is "two hundred ninety-eight thousand, five hundred twenty-eight".