204043797 has 24 divisors (see below), whose sum is σ = 308599200. Its totient is φ = 129742368.

The previous prime is 204043783. The next prime is 204043811. The reversal of 204043797 is 797340402.

It is an interprime number because it is at equal distance from previous prime (204043783) and next prime (204043811).

It is not a de Polignac number, because 204043797 - 2¹¹ = 204041749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204043297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16954 + ... + 26372.

It is an arithmetic number, because the mean of its divisors is an integer number (12858300).

Almost surely, 2^204043797 is an apocalyptic number.

It is an amenable number.

204043797 is a deficient number, since it is larger than the sum of its proper divisors (104555403).

204043797 is a wasteful number, since it uses less digits than its factorization.

204043797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537 (or 9534 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 204043797 is about 14284.3899764743. The cubic root of 204043797 is about 588.7186565596.

The spelling of 204043797 in words is "two hundred four million, forty-three thousand, seven hundred ninety-seven".