204681934 has 4 divisors (see below), whose sum is σ = 307022904. Its totient is φ = 102340966.

The previous prime is 204681923. The next prime is 204681937. The reversal of 204681934 is 439186402.

204681934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 204681893 and 204681902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204681937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51170482 + ... + 51170485.

It is an arithmetic number, because the mean of its divisors is an integer number (76755726).

Almost surely, 2^204681934 is an apocalyptic number.

204681934 is a deficient number, since it is larger than the sum of its proper divisors (102340970).

204681934 is a wasteful number, since it uses less digits than its factorization.

204681934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102340969.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 204681934 is about 14306.7094050309. The cubic root of 204681934 is about 589.3317474717.

The spelling of 204681934 in words is "two hundred four million, six hundred eighty-one thousand, nine hundred thirty-four".