199958041 has 4 divisors (see below), whose sum is σ = 204608272. Its totient is φ = 195307812.

The previous prime is 199958009. The next prime is 199958047. The reversal of 199958041 is 140859991.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140859991 = 167 ⋅843473.

It is a cyclic number.

It is not a de Polignac number, because 199958041 - 2⁵ = 199958009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199957982 and 199958000.

It is not an unprimeable number, because it can be changed into a prime (199958047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325051 + ... + 2325136.

It is an arithmetic number, because the mean of its divisors is an integer number (51152068).

Almost surely, 2^199958041 is an apocalyptic number.

It is an amenable number.

199958041 is a deficient number, since it is larger than the sum of its proper divisors (4650231).

199958041 is an equidigital number, since it uses as much as digits as its factorization.

199958041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650230.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 199958041 is about 14140.6520712448. The cubic root of 199958041 is about 584.7626484955.

The spelling of 199958041 in words is "one hundred ninety-nine million, nine hundred fifty-eight thousand, forty-one".