189000937 has 2 divisors, whose sum is σ = 189000938. Its totient is φ = 189000936.

The previous prime is 189000919. The next prime is 189000949. The reversal of 189000937 is 739000981.

It is the 5613-rd star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174530521 + 14470416 = 13211^2 + 3804^2 .

It is an emirp because it is prime and its reverse (739000981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189000937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189000896 and 189000905.

It is not a weakly prime, because it can be changed into another prime (189000907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94500468 + 94500469.

It is an arithmetic number, because the mean of its divisors is an integer number (94500469).

Almost surely, 2^189000937 is an apocalyptic number.

It is an amenable number.

189000937 is a deficient number, since it is larger than the sum of its proper divisors (1).

189000937 is an equidigital number, since it uses as much as digits as its factorization.

189000937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 189000937 is about 13747.7611631858. The cubic root of 189000937 is about 573.8803031987.

The spelling of 189000937 in words is "one hundred eighty-nine million, nine hundred thirty-seven", and thus it is an aban number.