189354329 has 4 divisors (see below), whose sum is σ = 190516176. Its totient is φ = 188192484.

The previous prime is 189354317. The next prime is 189354337. The reversal of 189354329 is 923453981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923453981 = 383 ⋅2411107.

It is a cyclic number.

It is not a de Polignac number, because 189354329 - 2¹⁶ = 189288793 is a prime.

It is a super-2 number, since 2×189354329² = 71710123822080482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189354329.

It is not an unprimeable number, because it can be changed into a prime (189354229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580679 + ... + 581004.

It is an arithmetic number, because the mean of its divisors is an integer number (47629044).

Almost surely, 2^189354329 is an apocalyptic number.

It is an amenable number.

189354329 is a deficient number, since it is larger than the sum of its proper divisors (1161847).

189354329 is a wasteful number, since it uses less digits than its factorization.

189354329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161846.

The product of its digits is 233280, while the sum is 44.

The square root of 189354329 is about 13760.6078717475. The cubic root of 189354329 is about 574.2377589901.

The spelling of 189354329 in words is "one hundred eighty-nine million, three hundred fifty-four thousand, three hundred twenty-nine".