189327765 has 16 divisors (see below), whose sum is σ = 330463296. Its totient is φ = 91795200.

The previous prime is 189327737. The next prime is 189327767. The reversal of 189327765 is 567723981.

189327765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189327765 - 2²² = 185133461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189327767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573556 + ... + 573885.

It is an arithmetic number, because the mean of its divisors is an integer number (20653956).

Almost surely, 2^189327765 is an apocalyptic number.

189327765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189327765 is a deficient number, since it is larger than the sum of its proper divisors (141135531).

189327765 is a wasteful number, since it uses less digits than its factorization.

189327765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147460.

The product of its digits is 635040, while the sum is 48.

The square root of 189327765 is about 13759.6426189055. The cubic root of 189327765 is about 574.2109049870.

It can be divided in two parts, 18932776 and 5, that added together give a triangular number (18932781 = T₆₁₅₃).

The spelling of 189327765 in words is "one hundred eighty-nine million, three hundred twenty-seven thousand, seven hundred sixty-five".