189410047 has 8 divisors (see below), whose sum is σ = 195360192. Its totient is φ = 183540000.

The previous prime is 189410033. The next prime is 189410087. The reversal of 189410047 is 740014981.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189410047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189409994 and 189410021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189410087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15204 + ... + 24697.

It is an arithmetic number, because the mean of its divisors is an integer number (24420024).

Almost surely, 2^189410047 is an apocalyptic number.

189410047 is a deficient number, since it is larger than the sum of its proper divisors (5950145).

189410047 is a wasteful number, since it uses less digits than its factorization.

189410047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40049.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 189410047 is about 13762.6322700274. The cubic root of 189410047 is about 574.2940771140.

The spelling of 189410047 in words is "one hundred eighty-nine million, four hundred ten thousand, forty-seven".