542206 has 8 divisors (see below), whose sum is σ = 929520. Its totient is φ = 232368.

The previous prime is 542197. The next prime is 542207. The reversal of 542206 is 602245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542207) by changing a digit.

542206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 19351 + ... + 19378.

It is an arithmetic number, because the mean of its divisors is an integer number (116190).

2⁵⁴²²⁰⁶ is an apocalyptic number.

542206 is a deficient number, since it is larger than the sum of its proper divisors (387314).

542206 is a wasteful number, since it uses less digits than its factorization.

542206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 542206 is about 736.3463858810. The cubic root of 542206 is about 81.5432668253.

The spelling of 542206 in words is "five hundred forty-two thousand, two hundred six".