199800401 has 8 divisors (see below), whose sum is σ = 209308800. Its totient is φ = 190466640.

The previous prime is 199800397. The next prime is 199800413. The reversal of 199800401 is 104008991.

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

It is a cyclic number.

It is not a de Polignac number, because 199800401 - 2² = 199800397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199800101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41315 + ... + 45896.

It is an arithmetic number, because the mean of its divisors is an integer number (26163600).

Almost surely, 2^199800401 is an apocalyptic number.

It is an amenable number.

199800401 is a deficient number, since it is larger than the sum of its proper divisors (9508399).

199800401 is an equidigital number, since it uses as much as digits as its factorization.

199800401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87319.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 199800401 is about 14135.0769718456. The cubic root of 199800401 is about 584.6089392166.

The spelling of 199800401 in words is "one hundred ninety-nine million, eight hundred thousand, four hundred one".