199285741 has 4 divisors (see below), whose sum is σ = 199323292. Its totient is φ = 199248192.

The previous prime is 199285729. The next prime is 199285753. The reversal of 199285741 is 147582991.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (199285729) and next prime (199285753).

It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 181010116 = 4275^2 + 13454^2 .

It is a cyclic number.

It is not a de Polignac number, because 199285741 - 2⁷ = 199285613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199285691 and 199285700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199285721) 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, 9180 + ... + 21973.

It is an arithmetic number, because the mean of its divisors is an integer number (49830823).

Almost surely, 2^199285741 is an apocalyptic number.

It is an amenable number.

199285741 is a deficient number, since it is larger than the sum of its proper divisors (37551).

199285741 is an equidigital number, since it uses as much as digits as its factorization.

199285741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37550.

The product of its digits is 181440, while the sum is 46.

The square root of 199285741 is about 14116.8601678985. The cubic root of 199285741 is about 584.1065485913.

The spelling of 199285741 in words is "one hundred ninety-nine million, two hundred eighty-five thousand, seven hundred forty-one".