189784241 has 4 divisors (see below), whose sum is σ = 194197872. Its totient is φ = 185370612.

The previous prime is 189784229. The next prime is 189784249. The reversal of 189784241 is 142487981.

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.

It is a cyclic number.

It is not a de Polignac number, because 189784241 - 2¹⁸ = 189522097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189784192 and 189784201.

It is not an unprimeable number, because it can be changed into a prime (189784249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206751 + ... + 2206836.

It is an arithmetic number, because the mean of its divisors is an integer number (48549468).

Almost surely, 2^189784241 is an apocalyptic number.

It is an amenable number.

189784241 is a deficient number, since it is larger than the sum of its proper divisors (4413631).

189784241 is an equidigital number, since it uses as much as digits as its factorization.

189784241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413630.

The product of its digits is 129024, while the sum is 44.

The square root of 189784241 is about 13776.2201274515. The cubic root of 189784241 is about 574.6720155973.

The spelling of 189784241 in words is "one hundred eighty-nine million, seven hundred eighty-four thousand, two hundred forty-one".