204792081 has 16 divisors (see below), whose sum is σ = 311359104. Its totient is φ = 118612224.

The previous prime is 204792079. The next prime is 204792097. The reversal of 204792081 is 180297402.

It is a happy number.

It is not a de Polignac number, because 204792081 - 2¹ = 204792079 is a prime.

It is a super-2 number, since 2×204792081² = 83879592880621122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204792001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153781 + ... + 155106.

It is an arithmetic number, because the mean of its divisors is an integer number (19459944).

Almost surely, 2^204792081 is an apocalyptic number.

It is an amenable number.

204792081 is a deficient number, since it is larger than the sum of its proper divisors (106567023).

204792081 is a wasteful number, since it uses less digits than its factorization.

204792081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308920.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 204792081 is about 14310.5583748504. The cubic root of 204792081 is about 589.4374423290.

The spelling of 204792081 in words is "two hundred four million, seven hundred ninety-two thousand, eighty-one".