298428 has 24 divisors (see below), whose sum is σ = 750288. Its totient is φ = 91776.

The previous prime is 298427. The next prime is 298451. The reversal of 298428 is 824892.

It is a super-3 number, since 3×298428³ = 79733340542696256, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298428.

It is not an unprimeable number, because it can be changed into a prime (298427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (31262).

2²⁹⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

298428 is an abundant number, since it is smaller than the sum of its proper divisors (451860).

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

298428 is a wasteful number, since it uses less digits than its factorization.

298428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1931 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 298428 is about 546.2856395696. The cubic root of 298428 is about 66.8261625561.

The spelling of 298428 in words is "two hundred ninety-eight thousand, four hundred twenty-eight".