205938812 has 12 divisors (see below), whose sum is σ = 363144936. Its totient is φ = 102183120.

The previous prime is 205938793. The next prime is 205938827. The reversal of 205938812 is 218839502.

It is a congruent number.

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, 195983 + ... + 197030.

It is an arithmetic number, because the mean of its divisors is an integer number (30262078).

Almost surely, 2^205938812 is an apocalyptic number.

It is an amenable number.

205938812 is a deficient number, since it is larger than the sum of its proper divisors (157206124).

205938812 is a wasteful number, since it uses less digits than its factorization.

205938812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393148 (or 393146 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 205938812 is about 14350.5683511142. The cubic root of 205938812 is about 590.5355780262.

The spelling of 205938812 in words is "two hundred five million, nine hundred thirty-eight thousand, eight hundred twelve".