206564234 has 8 divisors (see below), whose sum is σ = 312854880. Its totient is φ = 102279276.

The previous prime is 206564227. The next prime is 206564243. The reversal of 206564234 is 432465602.

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

It is a self number, because there is not a number n which added to its sum of digits gives 206564234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501164 + ... + 501575.

It is an arithmetic number, because the mean of its divisors is an integer number (39106860).

Almost surely, 2^206564234 is an apocalyptic number.

206564234 is a deficient number, since it is larger than the sum of its proper divisors (106290646).

206564234 is a wasteful number, since it uses less digits than its factorization.

206564234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002844.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 206564234 is about 14372.3426761263. The cubic root of 206564234 is about 591.1327791846.

The spelling of 206564234 in words is "two hundred six million, five hundred sixty-four thousand, two hundred thirty-four".