199832401 has 8 divisors (see below), whose sum is σ = 208064808. Its totient is φ = 191760000.

The previous prime is 199832383. The next prime is 199832407. The reversal of 199832401 is 104238991.

It can be written as a sum of positive squares in 4 ways, for example, as 14899600 + 184932801 = 3860^2 + 13599^2 .

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 199832401 - 2⁷ = 199832273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199832407) 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, 37450 + ... + 42451.

It is an arithmetic number, because the mean of its divisors is an integer number (26008101).

Almost surely, 2^199832401 is an apocalyptic number.

It is an amenable number.

199832401 is a deficient number, since it is larger than the sum of its proper divisors (8232407).

199832401 is an equidigital number, since it uses as much as digits as its factorization.

199832401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80003.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 199832401 is about 14136.2088623506. The cubic root of 199832401 is about 584.6401478417.

The spelling of 199832401 in words is "one hundred ninety-nine million, eight hundred thirty-two thousand, four hundred one".