200404857 has 16 divisors (see below), whose sum is σ = 285161472. Its totient is φ = 124750080.

The previous prime is 200404847. The next prime is 200404859. The reversal of 200404857 is 758404002.

It is not a de Polignac number, because 200404857 - 2⁸ = 200404601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200404859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8994 + ... + 21947.

It is an arithmetic number, because the mean of its divisors is an integer number (17822592).

Almost surely, 2^200404857 is an apocalyptic number.

It is an amenable number.

200404857 is a deficient number, since it is larger than the sum of its proper divisors (84756615).

200404857 is a wasteful number, since it uses less digits than its factorization.

200404857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31088.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 200404857 is about 14156.4422437278. The cubic root of 200404857 is about 585.1978846951.

Adding to 200404857 its reverse (758404002), we get a palindrome (958808859).

The spelling of 200404857 in words is "two hundred million, four hundred four thousand, eight hundred fifty-seven".