199057441 has 4 divisors (see below), whose sum is σ = 217153584. Its totient is φ = 180961300.

The previous prime is 199057429. The next prime is 199057451. The reversal of 199057441 is 144750991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 199057441 - 2⁵ = 199057409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199057394 and 199057403.

It is not an unprimeable number, because it can be changed into a prime (199057451) 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 3 ways as a sum of consecutive naturals, for example, 9048055 + ... + 9048076.

It is an arithmetic number, because the mean of its divisors is an integer number (54288396).

Almost surely, 2^199057441 is an apocalyptic number.

199057441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199057441 is a deficient number, since it is larger than the sum of its proper divisors (18096143).

199057441 is a wasteful number, since it uses less digits than its factorization.

199057441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18096142.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 199057441 is about 14108.7717750341. The cubic root of 199057441 is about 583.8834142467.

The spelling of 199057441 in words is "one hundred ninety-nine million, fifty-seven thousand, four hundred forty-one".