200404004 has 6 divisors (see below), whose sum is σ = 350707014. Its totient is φ = 100202000.

The previous prime is 200404003. The next prime is 200404019. The reversal of 200404004 is 400404002.

It can be written as a sum of positive squares in only one way, i.e., 198866404 + 1537600 = 14102^2 + 1240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200404004.

It is not an unprimeable number, because it can be changed into a prime (200404003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050497 + ... + 25050504.

It is an arithmetic number, because the mean of its divisors is an integer number (58451169).

Almost surely, 2^200404004 is an apocalyptic number.

It is an amenable number.

200404004 is a deficient number, since it is larger than the sum of its proper divisors (150303010).

200404004 is a wasteful number, since it uses less digits than its factorization.

200404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50101005 (or 50101003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 200404004 is about 14156.4121160695. The cubic root of 200404004 is about 585.1970544183.

Adding to 200404004 its reverse (400404002), we get a palindrome (600808006).

The spelling of 200404004 in words is "two hundred million, four hundred four thousand, four".