200404866 has 8 divisors (see below), whose sum is σ = 400809744. Its totient is φ = 66801620.

The previous prime is 200404861. The next prime is 200404871. The reversal of 200404866 is 668404002.

It is an interprime number because it is at equal distance from previous prime (200404861) and next prime (200404871).

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

200404866 is an admirable number.

It is a super-2 number, since 2×200404866² = 80324220632955912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200404861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16700400 + ... + 16700411.

It is an arithmetic number, because the mean of its divisors is an integer number (50101218).

Almost surely, 2^200404866 is an apocalyptic number.

200404866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200404866 is a wasteful number, since it uses less digits than its factorization.

200404866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400816.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 200404866 is about 14156.4425616042. The cubic root of 200404866 is about 585.1978934553.

Adding to 200404866 its reverse (668404002), we get a palindrome (868808868).

The spelling of 200404866 in words is "two hundred million, four hundred four thousand, eight hundred sixty-six".