298870 has 48 divisors (see below), whose sum is σ = 670320. Its totient is φ = 95040.

The previous prime is 298861. The next prime is 298897. The reversal of 298870 is 78892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

298870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15721 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (13965).

2²⁹⁸⁸⁷⁰ is an apocalyptic number.

298870 is an abundant number, since it is smaller than the sum of its proper divisors (371450).

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

298870 is a wasteful number, since it uses less digits than its factorization.

298870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 298870 is about 546.6900401507. The cubic root of 298870 is about 66.8591382301.

The spelling of 298870 in words is "two hundred ninety-eight thousand, eight hundred seventy".