204667973 has 8 divisors (see below), whose sum is σ = 206806488. Its totient is φ = 202535424.

The previous prime is 204667951. The next prime is 204667987. The reversal of 204667973 is 379766402.

It is a happy number.

204667973 is digitally balanced in base 2, 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 4 ways, for example, as 2829124 + 201838849 = 1682^2 + 14207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204667973 - 2⁸ = 204667717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204667933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104915 + ... + 106847.

It is an arithmetic number, because the mean of its divisors is an integer number (25850811).

Almost surely, 2^204667973 is an apocalyptic number.

It is an amenable number.

204667973 is a deficient number, since it is larger than the sum of its proper divisors (2138515).

204667973 is a wasteful number, since it uses less digits than its factorization.

204667973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 204667973 is about 14306.2214787833. The cubic root of 204667973 is about 589.3183480680.

The spelling of 204667973 in words is "two hundred four million, six hundred sixty-seven thousand, nine hundred seventy-three".