200404097 has 4 divisors (see below), whose sum is σ = 200843076. Its totient is φ = 199965120.

The previous prime is 200404067. The next prime is 200404111. The reversal of 200404097 is 790404002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188265841 + 12138256 = 13721^2 + 3484^2 .

It is a cyclic number.

It is not a de Polignac number, because 200404097 - 2¹⁴ = 200387713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200404027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218804 + ... + 219717.

It is an arithmetic number, because the mean of its divisors is an integer number (50210769).

Almost surely, 2^200404097 is an apocalyptic number.

It is an amenable number.

200404097 is a deficient number, since it is larger than the sum of its proper divisors (438979).

200404097 is an equidigital number, since it uses as much as digits as its factorization.

200404097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438978.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 200404097 is about 14156.4154007997. The cubic root of 200404097 is about 585.1971449410.

Adding to 200404097 its reverse (790404002), we get a palindrome (990808099).

The spelling of 200404097 in words is "two hundred million, four hundred four thousand, ninety-seven".