200678401 has 16 divisors (see below), whose sum is σ = 250518528. Its totient is φ = 156171600.

The previous prime is 200678383. The next prime is 200678419. The reversal of 200678401 is 104876002.

It is an interprime number because it is at equal distance from previous prime (200678383) and next prime (200678419).

It is a cyclic number.

It is not a de Polignac number, because 200678401 - 2⁷ = 200678273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200678401.

It is not an unprimeable number, because it can be changed into a prime (200678431) 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 15 ways as a sum of consecutive naturals, for example, 93106 + ... + 95236.

It is an arithmetic number, because the mean of its divisors is an integer number (15657408).

Almost surely, 2^200678401 is an apocalyptic number.

It is an amenable number.

200678401 is a deficient number, since it is larger than the sum of its proper divisors (49840127).

200678401 is a wasteful number, since it uses less digits than its factorization.

200678401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 200678401 is about 14166.1004161343. The cubic root of 200678401 is about 585.4640202816.

The spelling of 200678401 in words is "two hundred million, six hundred seventy-eight thousand, four hundred one".