189037172 has 6 divisors (see below), whose sum is σ = 330815058. Its totient is φ = 94518584.

The previous prime is 189037171. The next prime is 189037237. The reversal of 189037172 is 271730981.

189037172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 164968336 + 24068836 = 12844^2 + 4906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189037171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23629643 + ... + 23629650.

It is an arithmetic number, because the mean of its divisors is an integer number (55135843).

Almost surely, 2^189037172 is an apocalyptic number.

It is an amenable number.

189037172 is a deficient number, since it is larger than the sum of its proper divisors (141777886).

189037172 is a wasteful number, since it uses less digits than its factorization.

189037172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47259297 (or 47259295 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 189037172 is about 13749.0789509698. The cubic root of 189037172 is about 573.9169753697.

The spelling of 189037172 in words is "one hundred eighty-nine million, thirty-seven thousand, one hundred seventy-two".