189208967 has 2 divisors, whose sum is σ = 189208968. Its totient is φ = 189208966.

The previous prime is 189208961. The next prime is 189209023. The reversal of 189208967 is 769802981.

189208967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189208967 - 2¹² = 189204871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189208961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94604483 + 94604484.

It is an arithmetic number, because the mean of its divisors is an integer number (94604484).

Almost surely, 2^189208967 is an apocalyptic number.

189208967 is a deficient number, since it is larger than the sum of its proper divisors (1).

189208967 is an equidigital number, since it uses as much as digits as its factorization.

189208967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 189208967 is about 13755.3250415975. The cubic root of 189208967 is about 574.0907793066.

The spelling of 189208967 in words is "one hundred eighty-nine million, two hundred eight thousand, nine hundred sixty-seven".