190973 has 4 divisors (see below), whose sum is σ = 191868. Its totient is φ = 190080.

The previous prime is 190921. The next prime is 190979. The reversal of 190973 is 379091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 379091 = 233 ⋅1627.

It can be written as a sum of positive squares in 2 ways, for example, as 76729 + 114244 = 277^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 190973 - 2⁶ = 190909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190979) 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, 83 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (47967).

2¹⁹⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

190973 is a deficient number, since it is larger than the sum of its proper divisors (895).

190973 is an equidigital number, since it uses as much as digits as its factorization.

190973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 190973 is about 437.0045766351. The cubic root of 190973 is about 57.5869384285.

It can be divided in two parts, 19097 and 3, that multiplied together give a triangular number (57291 = T₃₃₈).

The spelling of 190973 in words is "one hundred ninety thousand, nine hundred seventy-three".