206305472 has 28 divisors (see below), whose sum is σ = 433471320. Its totient is φ = 97084416.

The previous prime is 206305459. The next prime is 206305483. The reversal of 206305472 is 274503602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93722 + ... + 95897.

Almost surely, 2^206305472 is an apocalyptic number.

It is an amenable number.

206305472 is an abundant number, since it is smaller than the sum of its proper divisors (227165848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206305472 is a wasteful number, since it uses less digits than its factorization.

206305472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189648 (or 189638 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 206305472 is about 14363.3377736514. The cubic root of 206305472 is about 590.8858396675.

The spelling of 206305472 in words is "two hundred six million, three hundred five thousand, four hundred seventy-two".