205841828 has 6 divisors (see below), whose sum is σ = 360223206. Its totient is φ = 102920912.

The previous prime is 205841827. The next prime is 205841833. The reversal of 205841828 is 828148502.

It can be written as a sum of positive squares in only one way, i.e., 149621824 + 56220004 = 12232^2 + 7498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205841791 and 205841800.

It is not an unprimeable number, because it can be changed into a prime (205841827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25730225 + ... + 25730232.

It is an arithmetic number, because the mean of its divisors is an integer number (60037201).

Almost surely, 2^205841828 is an apocalyptic number.

It is an amenable number.

205841828 is a deficient number, since it is larger than the sum of its proper divisors (154381378).

205841828 is a wasteful number, since it uses less digits than its factorization.

205841828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51460461 (or 51460459 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 205841828 is about 14347.1888535699. The cubic root of 205841828 is about 590.4428619830.

The spelling of 205841828 in words is "two hundred five million, eight hundred forty-one thousand, eight hundred twenty-eight".