298147 has 4 divisors (see below), whose sum is σ = 299296. Its totient is φ = 297000.

The previous prime is 298099. The next prime is 298153. The reversal of 298147 is 741892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 298147 - 2¹¹ = 296099 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (74824).

2²⁹⁸¹⁴⁷ is an apocalyptic number.

298147 is a deficient number, since it is larger than the sum of its proper divisors (1149).

298147 is an equidigital number, since it uses as much as digits as its factorization.

298147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 4032, while the sum is 31.

The square root of 298147 is about 546.0283875404. The cubic root of 298147 is about 66.8051814499.

Subtracting from 298147 its sum of digits (31), we obtain a square (298116 = 546²).

The spelling of 298147 in words is "two hundred ninety-eight thousand, one hundred forty-seven".