189710963 has 8 divisors (see below), whose sum is σ = 204447600. Its totient is φ = 174994848.

The previous prime is 189710947. The next prime is 189710981. The reversal of 189710963 is 369017981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189710963 - 2⁴ = 189710947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189710863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17948 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (25555950).

Almost surely, 2^189710963 is an apocalyptic number.

189710963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

189710963 is a deficient number, since it is larger than the sum of its proper divisors (14736637).

189710963 is a wasteful number, since it uses less digits than its factorization.

189710963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 189710963 is about 13773.5602877397. The cubic root of 189710963 is about 574.5980434614.

The spelling of 189710963 in words is "one hundred eighty-nine million, seven hundred ten thousand, nine hundred sixty-three".