189300965 has 12 divisors (see below), whose sum is σ = 264249036. Its totient is φ = 129806208.

The previous prime is 189300961. The next prime is 189301003. The reversal of 189300965 is 569003981.

It can be written as a sum of positive squares in 2 ways, for example, as 150749284 + 38551681 = 12278^2 + 6209^2 .

It is not a de Polignac number, because 189300965 - 2² = 189300961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189300961) 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 11 ways as a sum of consecutive naturals, for example, 386084 + ... + 386573.

It is an arithmetic number, because the mean of its divisors is an integer number (22020753).

Almost surely, 2^189300965 is an apocalyptic number.

It is an amenable number.

189300965 is a deficient number, since it is larger than the sum of its proper divisors (74948071).

189300965 is an equidigital number, since it uses as much as digits as its factorization.

189300965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772676 (or 772669 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 189300965 is about 13758.6687219367. The cubic root of 189300965 is about 574.1838098619.

The spelling of 189300965 in words is "one hundred eighty-nine million, three hundred thousand, nine hundred sixty-five".