190937849 has 2 divisors, whose sum is σ = 190937850. Its totient is φ = 190937848.

The previous prime is 190937843. The next prime is 190937867. The reversal of 190937849 is 948739091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188238400 + 2699449 = 13720^2 + 1643^2 .

It is an emirp because it is prime and its reverse (948739091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190937849 - 2⁴ = 190937833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190937797 and 190937806.

It is not a weakly prime, because it can be changed into another prime (190937843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95468924 + 95468925.

It is an arithmetic number, because the mean of its divisors is an integer number (95468925).

Almost surely, 2^190937849 is an apocalyptic number.

It is an amenable number.

190937849 is a deficient number, since it is larger than the sum of its proper divisors (1).

190937849 is an equidigital number, since it uses as much as digits as its factorization.

190937849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 190937849 is about 13818.0262338729. The cubic root of 190937849 is about 575.8340500986.

The spelling of 190937849 in words is "one hundred ninety million, nine hundred thirty-seven thousand, eight hundred forty-nine".