42297 has 8 divisors (see below), whose sum is σ = 58944. Its totient is φ = 26928.

The previous prime is 42293. The next prime is 42299. The reversal of 42297 is 79224.

42297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42297 - 2² = 42293 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42297.

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 in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 375.

It is an arithmetic number, because the mean of its divisors is an integer number (7368).

2⁴²²⁹⁷ is an apocalyptic number.

It is an amenable number.

42297 is a deficient number, since it is larger than the sum of its proper divisors (16647).

42297 is a wasteful number, since it uses less digits than its factorization.

42297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its digits is 1008, while the sum is 24.

The square root of 42297 is about 205.6623446331. The cubic root of 42297 is about 34.8420089855.

The spelling of 42297 in words is "forty-two thousand, two hundred ninety-seven".