189210673 has 16 divisors (see below), whose sum is σ = 203751936. Its totient is φ = 175278400.

The previous prime is 189210661. The next prime is 189210709. The reversal of 189210673 is 376012981.

It is a de Polignac number, because none of the positive numbers 2^k-189210673 is a prime.

It is a super-2 number, since 2×189210673² = 71601357554225858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189210653) 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 in 15 ways as a sum of consecutive naturals, for example, 108315 + ... + 110047.

It is an arithmetic number, because the mean of its divisors is an integer number (12734496).

Almost surely, 2^189210673 is an apocalyptic number.

It is an amenable number.

189210673 is a deficient number, since it is larger than the sum of its proper divisors (14541263).

189210673 is a wasteful number, since it uses less digits than its factorization.

189210673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 189210673 is about 13755.3870538055. The cubic root of 189210673 is about 574.0925047286.

The spelling of 189210673 in words is "one hundred eighty-nine million, two hundred ten thousand, six hundred seventy-three".