42298 has 4 divisors (see below), whose sum is σ = 63450. Its totient is φ = 21148.

The previous prime is 42293. The next prime is 42299. The reversal of 42298 is 89224.

42298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41209 + 1089 = 203^2 + 33^2 .

It is not an unprimeable number, because it can be changed into a prime (42293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10573 + ... + 10576.

2⁴²²⁹⁸ is an apocalyptic number.

42298 is a deficient number, since it is larger than the sum of its proper divisors (21152).

42298 is a wasteful number, since it uses less digits than its factorization.

42298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21151.

The product of its digits is 1152, while the sum is 25.

The square root of 42298 is about 205.6647757882. The cubic root of 42298 is about 34.8422835655.

The spelling of 42298 in words is "forty-two thousand, two hundred ninety-eight".