42898 has 8 divisors (see below), whose sum is σ = 65340. Its totient is φ = 21120.

The previous prime is 42863. The next prime is 42899. The reversal of 42898 is 89824.

42898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 49 = 207^2 + 7^2 .

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (42899) by changing a digit.

42898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 298.

42898 is a Friedman number, since it can be written as 482*89, using all its digits and the basic arithmetic operations.

2⁴²⁸⁹⁸ is an apocalyptic number.

42898 is a deficient number, since it is larger than the sum of its proper divisors (22442).

42898 is a wasteful number, since it uses less digits than its factorization.

42898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 4608, while the sum is 31.

The square root of 42898 is about 207.1183236703. The cubic root of 42898 is about 35.0062573846.

The spelling of 42898 in words is "forty-two thousand, eight hundred ninety-eight".