189427033 has 2 divisors, whose sum is σ = 189427034. Its totient is φ = 189427032.

The previous prime is 189426989. The next prime is 189427099. The reversal of 189427033 is 330724981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188595289 + 831744 = 13733^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 189427033 - 2²¹ = 187329881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189426983 and 189427001.

It is not a weakly prime, because it can be changed into another prime (189421033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94713516 + 94713517.

It is an arithmetic number, because the mean of its divisors is an integer number (94713517).

Almost surely, 2^189427033 is an apocalyptic number.

It is an amenable number.

189427033 is a deficient number, since it is larger than the sum of its proper divisors (1).

189427033 is an equidigital number, since it uses as much as digits as its factorization.

189427033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 189427033 is about 13763.2493619784. The cubic root of 189427033 is about 574.3112438690.

The spelling of 189427033 in words is "one hundred eighty-nine million, four hundred twenty-seven thousand, thirty-three".