190485943 has 4 divisors (see below), whose sum is σ = 190535488. Its totient is φ = 190436400.

The previous prime is 190485941. The next prime is 190485961. The reversal of 190485943 is 349584091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349584091 = 67 ⋅5217673.

It is a cyclic number.

It is not a de Polignac number, because 190485943 - 2¹ = 190485941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190485943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190485941) 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 in 3 ways as a sum of consecutive naturals, for example, 18471 + ... + 26872.

It is an arithmetic number, because the mean of its divisors is an integer number (47633872).

Almost surely, 2^190485943 is an apocalyptic number.

190485943 is a deficient number, since it is larger than the sum of its proper divisors (49545).

190485943 is an equidigital number, since it uses as much as digits as its factorization.

190485943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49544.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 190485943 is about 13801.6645010665. The cubic root of 190485943 is about 575.3794022819.

The spelling of 190485943 in words is "one hundred ninety million, four hundred eighty-five thousand, nine hundred forty-three".