189678241 has 8 divisors (see below), whose sum is σ = 196505280. Its totient is φ = 182870352.

The previous prime is 189678227. The next prime is 189678257. The reversal of 189678241 is 142876981.

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

It is a cyclic number.

It is not a de Polignac number, because 189678241 - 2¹³ = 189670049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189678191 and 189678200.

It is not an unprimeable number, because it can be changed into a prime (189678271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17146 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (24563160).

Almost surely, 2^189678241 is an apocalyptic number.

It is an amenable number.

189678241 is a deficient number, since it is larger than the sum of its proper divisors (6827039).

189678241 is an equidigital number, since it uses as much as digits as its factorization.

189678241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575.

The product of its digits is 193536, while the sum is 46.

The square root of 189678241 is about 13772.3723809662. The cubic root of 189678241 is about 574.5650053456.

The spelling of 189678241 in words is "one hundred eighty-nine million, six hundred seventy-eight thousand, two hundred forty-one".