298439 has 8 divisors (see below), whose sum is σ = 317520. Its totient is φ = 280000.

The previous prime is 298427. The next prime is 298451. The reversal of 298439 is 934892.

It is an interprime number because it is at equal distance from previous prime (298427) and next prime (298451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298399 and 298408.

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 298439.

It is not an unprimeable number, because it can be changed into a prime (298409) 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, 1064 + ... + 1314.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2²⁹⁸⁴³⁹ is an apocalyptic number.

298439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

298439 is a deficient number, since it is larger than the sum of its proper divisors (19081).

298439 is a wasteful number, since it uses less digits than its factorization.

298439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 15552, while the sum is 35.

The square root of 298439 is about 546.2957074699. The cubic root of 298439 is about 66.8269836126.

It can be divided in two parts, 298 and 439, that added together give a palindrome (737).

The spelling of 298439 in words is "two hundred ninety-eight thousand, four hundred thirty-nine".