189632327 has 2 divisors, whose sum is σ = 189632328. Its totient is φ = 189632326.

The previous prime is 189632273. The next prime is 189632329. The reversal of 189632327 is 723236981.

Together with previous prime (189632273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189632327 - 2¹⁰ = 189631303 is a prime.

Together with 189632329, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189632329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94816163 + 94816164.

It is an arithmetic number, because the mean of its divisors is an integer number (94816164).

Almost surely, 2^189632327 is an apocalyptic number.

189632327 is a deficient number, since it is larger than the sum of its proper divisors (1).

189632327 is an equidigital number, since it uses as much as digits as its factorization.

189632327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 189632327 is about 13770.7053922448. The cubic root of 189632327 is about 574.5186413797.

The spelling of 189632327 in words is "one hundred eighty-nine million, six hundred thirty-two thousand, three hundred twenty-seven".