206420846 has 8 divisors (see below), whose sum is σ = 309714240. Its totient is φ = 103182768.

The previous prime is 206420833. The next prime is 206420857. The reversal of 206420846 is 648024602.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711 + ... + 20498.

It is an arithmetic number, because the mean of its divisors is an integer number (38714280).

Almost surely, 2^206420846 is an apocalyptic number.

206420846 is a deficient number, since it is larger than the sum of its proper divisors (103293394).

206420846 is a wasteful number, since it uses less digits than its factorization.

206420846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27658.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 206420846 is about 14367.3534793294. The cubic root of 206420846 is about 590.9959678799.

The spelling of 206420846 in words is "two hundred six million, four hundred twenty thousand, eight hundred forty-six".