189230641 has 6 divisors (see below), whose sum is σ = 192495842. Its totient is φ = 186019920.

The previous prime is 189230609. The next prime is 189230653. The reversal of 189230641 is 146032981.

It can be written as a sum of positive squares in only one way, i.e., 166952241 + 22278400 = 12921^2 + 4720^2 .

It is not a de Polignac number, because 189230641 - 2⁵ = 189230609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189230597 and 189230606.

It is not an unprimeable number, because it can be changed into a prime (189230141) 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, 23700 + ... + 30661.

Almost surely, 2^189230641 is an apocalyptic number.

It is an amenable number.

189230641 is a deficient number, since it is larger than the sum of its proper divisors (3265201).

189230641 is an frugal number, since it uses more digits than its factorization.

189230641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54479 (or 54420 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 189230641 is about 13756.1128593800. The cubic root of 189230641 is about 574.1126992833.

The spelling of 189230641 in words is "one hundred eighty-nine million, two hundred thirty thousand, six hundred forty-one".