205930396 has 48 divisors (see below), whose sum is σ = 431613952. Its totient is φ = 84110400.

The previous prime is 205930393. The next prime is 205930399. The reversal of 205930396 is 693039502.

It is an interprime number because it is at equal distance from previous prime (205930393) and next prime (205930399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205930391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56386 + ... + 59926.

Almost surely, 2^205930396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205930396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215806976).

205930396 is an abundant number, since it is smaller than the sum of its proper divisors (225683556).

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

205930396 is a wasteful number, since it uses less digits than its factorization.

205930396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 205930396 is about 14350.2751193139. The cubic root of 205930396 is about 590.5275335411.

Adding to 205930396 its reverse (693039502), we get a palindrome (898969898).

The spelling of 205930396 in words is "two hundred five million, nine hundred thirty thousand, three hundred ninety-six".