298838 has 4 divisors (see below), whose sum is σ = 448260. Its totient is φ = 149418.

The previous prime is 298819. The next prime is 298841. The reversal of 298838 is 838892.

298838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74708 + ... + 74711.

It is an arithmetic number, because the mean of its divisors is an integer number (112065).

2²⁹⁸⁸³⁸ is an apocalyptic number.

298838 is a deficient number, since it is larger than the sum of its proper divisors (149422).

298838 is a wasteful number, since it uses less digits than its factorization.

298838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149421.

The product of its digits is 27648, while the sum is 38.

The square root of 298838 is about 546.6607723259. The cubic root of 298838 is about 66.8567519431.

The spelling of 298838 in words is "two hundred ninety-eight thousand, eight hundred thirty-eight".