189849067 has 2 divisors, whose sum is σ = 189849068. Its totient is φ = 189849066.

The previous prime is 189849029. The next prime is 189849073. The reversal of 189849067 is 760948981.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189849067 - 2²⁷ = 55631339 is a prime.

It is not a weakly prime, because it can be changed into another prime (189846067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94924533 + 94924534.

It is an arithmetic number, because the mean of its divisors is an integer number (94924534).

Almost surely, 2^189849067 is an apocalyptic number.

189849067 is a deficient number, since it is larger than the sum of its proper divisors (1).

189849067 is an equidigital number, since it uses as much as digits as its factorization.

189849067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 189849067 is about 13778.5727490187. The cubic root of 189849067 is about 574.7374397987.

The spelling of 189849067 in words is "one hundred eighty-nine million, eight hundred forty-nine thousand, sixty-seven".