205348904 has 16 divisors (see below), whose sum is σ = 385621620. Its totient is φ = 102516480.

The previous prime is 205348901. The next prime is 205348909. The reversal of 205348904 is 409843502.

It can be written as a sum of positive squares in 2 ways, for example, as 205348900 + 4 = 14330^2 + 2^2 .

It is not an unprimeable number, because it can be changed into a prime (205348901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14129 + ... + 24704.

Almost surely, 2^205348904 is an apocalyptic number.

It is an amenable number.

205348904 is a deficient number, since it is larger than the sum of its proper divisors (180272716).

205348904 is a wasteful number, since it uses less digits than its factorization.

205348904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39500 (or 39496 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 205348904 is about 14330.0001395673. Note that the first 3 decimals coincide. The cubic root of 205348904 is about 589.9711792874.

The spelling of 205348904 in words is "two hundred five million, three hundred forty-eight thousand, nine hundred four".