19330189 has 6 divisors (see below), whose sum is σ = 20207726. Its totient is φ = 18489240.

The previous prime is 19330187. The next prime is 19330249. The reversal of 19330189 is 98103391.

It can be written as a sum of positive squares in only one way, i.e., 19096900 + 233289 = 4370^2 + 483^2 .

It is not a de Polignac number, because 19330189 - 2¹ = 19330187 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 (19330183) 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 5 ways as a sum of consecutive naturals, for example, 17742 + ... + 18799.

Almost surely, 2^19330189 is an apocalyptic number.

It is an amenable number.

19330189 is a deficient number, since it is larger than the sum of its proper divisors (877537).

19330189 is an equidigital number, since it uses as much as digits as its factorization.

19330189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36587 (or 36564 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 19330189 is about 4396.6110812761. The cubic root of 19330189 is about 268.3770450331.

The spelling of 19330189 in words is "nineteen million, three hundred thirty thousand, one hundred eighty-nine".