189183941 has 2 divisors, whose sum is σ = 189183942. Its totient is φ = 189183940.

The previous prime is 189183889. The next prime is 189183983. The reversal of 189183941 is 149381981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154902916 + 34281025 = 12446^2 + 5855^2 .

It is a cyclic number.

It is not a de Polignac number, because 189183941 - 2⁶ = 189183877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 189183892 and 189183901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189183041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94591970 + 94591971.

It is an arithmetic number, because the mean of its divisors is an integer number (94591971).

Almost surely, 2^189183941 is an apocalyptic number.

It is an amenable number.

189183941 is a deficient number, since it is larger than the sum of its proper divisors (1).

189183941 is an equidigital number, since it uses as much as digits as its factorization.

189183941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 189183941 is about 13754.4153274503. The cubic root of 189183941 is about 574.0654672058.

The spelling of 189183941 in words is "one hundred eighty-nine million, one hundred eighty-three thousand, nine hundred forty-one".