206328573 has 32 divisors (see below), whose sum is σ = 335232000. Its totient is φ = 124383600.

The previous prime is 206328559. The next prime is 206328583. The reversal of 206328573 is 375823602.

206328573 is a `hidden beast` number, since 2 + 0 + 63 + 28 + 573 = 666.

It is not a de Polignac number, because 206328573 - 2⁶ = 206328509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206328583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57358 + ... + 60848.

It is an arithmetic number, because the mean of its divisors is an integer number (10476000).

Almost surely, 2^206328573 is an apocalyptic number.

It is an amenable number.

206328573 is a deficient number, since it is larger than the sum of its proper divisors (128903427).

206328573 is a wasteful number, since it uses less digits than its factorization.

206328573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 206328573 is about 14364.1419165922. The cubic root of 206328573 is about 590.9078936056.

The spelling of 206328573 in words is "two hundred six million, three hundred twenty-eight thousand, five hundred seventy-three".