298340 has 24 divisors (see below), whose sum is σ = 716352. Its totient is φ = 102240.

The previous prime is 298339. The next prime is 298343. The reversal of 298340 is 43892.

298340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁵ + 9³ + 3⁷ + 8³ + 4⁹ + 0 .

It is not an unprimeable number, because it can be changed into a prime (298343) 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, 926 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (29848).

2²⁹⁸³⁴⁰ is an apocalyptic number.

298340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298340 is an abundant number, since it is smaller than the sum of its proper divisors (418012).

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

298340 is a wasteful number, since it uses less digits than its factorization.

298340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 298340 is about 546.2050896870. The cubic root of 298340 is about 66.8195933775.

It can be divided in two parts, 29 and 8340, that multiplied together give a triangular number (241860 = T₆₉₅).

The spelling of 298340 in words is "two hundred ninety-eight thousand, three hundred forty".