189304207 has 2 divisors, whose sum is σ = 189304208. Its totient is φ = 189304206.

The previous prime is 189304187. The next prime is 189304217. The reversal of 189304207 is 702403981.

189304207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189304207 - 2¹¹ = 189302159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189304217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94652103 + 94652104.

It is an arithmetic number, because the mean of its divisors is an integer number (94652104).

Almost surely, 2^189304207 is an apocalyptic number.

189304207 is a deficient number, since it is larger than the sum of its proper divisors (1).

189304207 is an equidigital number, since it uses as much as digits as its factorization.

189304207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 189304207 is about 13758.7865380636. The cubic root of 189304207 is about 574.1870876992.

It can be divided in two parts, 18930 and 4207, that multiplied together give a triangular number (79638510 = T₁₂₆₂₀).

The spelling of 189304207 in words is "one hundred eighty-nine million, three hundred four thousand, two hundred seven".