190998041 has 4 divisors (see below), whose sum is σ = 205690212. Its totient is φ = 176305872.

The previous prime is 190998029. The next prime is 190998053. The reversal of 190998041 is 140899091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140899091 = 47 ⋅2997853.

It is an interprime number because it is at equal distance from previous prime (190998029) and next prime (190998053).

It can be written as a sum of positive squares in 2 ways, for example, as 55950400 + 135047641 = 7480^2 + 11621^2 .

It is a cyclic number.

It is not a de Polignac number, because 190998041 - 2¹⁴ = 190981657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190998041.

It is not an unprimeable number, because it can be changed into a prime (190998341) 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, 7346066 + ... + 7346091.

It is an arithmetic number, because the mean of its divisors is an integer number (51422553).

Almost surely, 2^190998041 is an apocalyptic number.

It is an amenable number.

190998041 is a deficient number, since it is larger than the sum of its proper divisors (14692171).

190998041 is a wasteful number, since it uses less digits than its factorization.

190998041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692170.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 190998041 is about 13820.2040867709. The cubic root of 190998041 is about 575.8945531397.

The spelling of 190998041 in words is "one hundred ninety million, nine hundred ninety-eight thousand, forty-one".