189060397 has 4 divisors (see below), whose sum is σ = 189388636. Its totient is φ = 188732160.

The previous prime is 189060371. The next prime is 189060407. The reversal of 189060397 is 793060981.

189060397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793060981 = 1759 ⋅450859.

It can be written as a sum of positive squares in 2 ways, for example, as 93431556 + 95628841 = 9666^2 + 9779^2 .

It is a cyclic number.

It is not a de Polignac number, because 189060397 - 2¹¹ = 189058349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189060997) 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, 163254 + ... + 164407.

It is an arithmetic number, because the mean of its divisors is an integer number (47347159).

Almost surely, 2^189060397 is an apocalyptic number.

It is an amenable number.

189060397 is a deficient number, since it is larger than the sum of its proper divisors (328239).

189060397 is an equidigital number, since it uses as much as digits as its factorization.

189060397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328238.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 189060397 is about 13749.9235270601. The cubic root of 189060397 is about 573.9404781121.

The spelling of 189060397 in words is "one hundred eighty-nine million, sixty thousand, three hundred ninety-seven".