940189 has 2 divisors, whose sum is σ = 940190. Its totient is φ = 940188.

The previous prime is 940183. The next prime is 940201. The reversal of 940189 is 981049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 284089 = 810^2 + 533^2 .

It is an emirp because it is prime and its reverse (981049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940189 - 2⁵ = 940157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470094 + 470095.

It is an arithmetic number, because the mean of its divisors is an integer number (470095).

2⁹⁴⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

940189 is a deficient number, since it is larger than the sum of its proper divisors (1).

940189 is an equidigital number, since it uses as much as digits as its factorization.

940189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 940189 is about 969.6334358921. The cubic root of 940189 is about 97.9651757427.

The spelling of 940189 in words is "nine hundred forty thousand, one hundred eighty-nine".