298923 has 8 divisors (see below), whose sum is σ = 409488. Its totient is φ = 193824.

The previous prime is 298897. The next prime is 298937. The reversal of 298923 is 329892.

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

It is not a de Polignac number, because 298923 - 2⁸ = 298667 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is not an unprimeable number, because it can be changed into a prime (298943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (51186).

2²⁹⁸⁹²³ is an apocalyptic number.

298923 is a deficient number, since it is larger than the sum of its proper divisors (110565).

298923 is a wasteful number, since it uses less digits than its factorization.

298923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

The product of its digits is 7776, while the sum is 33.

The square root of 298923 is about 546.7385115391. The cubic root of 298923 is about 66.8630901433.

It can be divided in two parts, 29892 and 3, that multiplied together give a triangular number (89676 = T₄₂₃).

The spelling of 298923 in words is "two hundred ninety-eight thousand, nine hundred twenty-three".