189006963 has 8 divisors (see below), whose sum is σ = 252170688. Its totient is φ = 125923944.

The previous prime is 189006959. The next prime is 189006971. The reversal of 189006963 is 369600981.

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

It is not a de Polignac number, because 189006963 - 2² = 189006959 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189006943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14481 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (31521336).

Almost surely, 2^189006963 is an apocalyptic number.

189006963 is a deficient number, since it is larger than the sum of its proper divisors (63163725).

189006963 is a wasteful number, since it uses less digits than its factorization.

189006963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40353.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 189006963 is about 13747.9803243967. The cubic root of 189006963 is about 573.8864022266.

The spelling of 189006963 in words is "one hundred eighty-nine million, six thousand, nine hundred sixty-three".