206523928 has 32 divisors (see below), whose sum is σ = 418017600. Its totient is φ = 95090688.

The previous prime is 206523893. The next prime is 206523931. The reversal of 206523928 is 829325602.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 46008 + ... + 50296.

It is an arithmetic number, because the mean of its divisors is an integer number (13063050).

Almost surely, 2^206523928 is an apocalyptic number.

It is an amenable number.

206523928 is an abundant number, since it is smaller than the sum of its proper divisors (211493672).

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

206523928 is a wasteful number, since it uses less digits than its factorization.

206523928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 206523928 is about 14370.9404006836. The cubic root of 206523928 is about 591.0943282756.

The spelling of 206523928 in words is "two hundred six million, five hundred twenty-three thousand, nine hundred twenty-eight".