189004329 has 6 divisors (see below), whose sum is σ = 273006266. Its totient is φ = 126002880.

The previous prime is 189004327. The next prime is 189004331. The reversal of 189004329 is 923400981.

It is an interprime number because it is at equal distance from previous prime (189004327) and next prime (189004331).

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 44355600 = 12027^2 + 6660^2 .

It is not a de Polignac number, because 189004329 - 2¹ = 189004327 is a prime.

It is a Duffinian number.

189004329 is a modest number, since divided by 4329 gives 189 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 189004293 and 189004302.

It is not an unprimeable number, because it can be changed into a prime (189004327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10500232 + ... + 10500249.

Almost surely, 2^189004329 is an apocalyptic number.

It is an amenable number.

189004329 is a deficient number, since it is larger than the sum of its proper divisors (84001937).

189004329 is a wasteful number, since it uses less digits than its factorization.

189004329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000487 (or 21000484 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 189004329 is about 13747.8845281738. The cubic root of 189004329 is about 573.8837363216.

The spelling of 189004329 in words is "one hundred eighty-nine million, four thousand, three hundred twenty-nine".