204897850 has 12 divisors (see below), whose sum is σ = 381110094. Its totient is φ = 81959120.

The previous prime is 204897839. The next prime is 204897851. The reversal of 204897850 is 58798402.

204897850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 172896201 + 32001649 = 13149^2 + 5657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204897797 and 204897806.

It is not an unprimeable number, because it can be changed into a prime (204897851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048929 + ... + 2049028.

Almost surely, 2^204897850 is an apocalyptic number.

204897850 is a deficient number, since it is larger than the sum of its proper divisors (176212244).

204897850 is a wasteful number, since it uses less digits than its factorization.

204897850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097969 (or 4097964 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 204897850 is about 14314.2533860485. The cubic root of 204897850 is about 589.5389004821.

The spelling of 204897850 in words is "two hundred four million, eight hundred ninety-seven thousand, eight hundred fifty".