42206 has 8 divisors (see below), whose sum is σ = 64800. Its totient is φ = 20608.

The previous prime is 42197. The next prime is 42209. The reversal of 42206 is 60224.

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

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42209) by changing a digit.

42206 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, 131 + ... + 318.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2⁴²²⁰⁶ is an apocalyptic number.

42206 is a deficient number, since it is larger than the sum of its proper divisors (22594).

42206 is a wasteful number, since it uses less digits than its factorization.

42206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42206 is about 205.4409890942. The cubic root of 42206 is about 34.8170040651.

The spelling of 42206 in words is "forty-two thousand, two hundred six".