204855741 has 12 divisors (see below), whose sum is σ = 302784768. Its totient is φ = 133394184.

The previous prime is 204855709. The next prime is 204855757. The reversal of 204855741 is 147558402.

204855741 is a `hidden beast` number, since 2 + 0 + 4 + 85 + 574 + 1 = 666.

It is not a de Polignac number, because 204855741 - 2⁵ = 204855709 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 204855696 and 204855705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204855341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264285 + ... + 265058.

It is an arithmetic number, because the mean of its divisors is an integer number (25232064).

Almost surely, 2^204855741 is an apocalyptic number.

It is an amenable number.

204855741 is a deficient number, since it is larger than the sum of its proper divisors (97929027).

204855741 is a wasteful number, since it uses less digits than its factorization.

204855741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529392 (or 529389 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 204855741 is about 14312.7824338945. The cubic root of 204855741 is about 589.4985119106.

The spelling of 204855741 in words is "two hundred four million, eight hundred fifty-five thousand, seven hundred forty-one".