189004297 has 4 divisors (see below), whose sum is σ = 189210880. Its totient is φ = 188797716.

The previous prime is 189004289. The next prime is 189004327. The reversal of 189004297 is 792400981.

189004297 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792400981 = 15679 ⋅50539.

It is a cyclic number.

It is not a de Polignac number, because 189004297 - 2³ = 189004289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189004237) 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, 101913 + ... + 103750.

It is an arithmetic number, because the mean of its divisors is an integer number (47302720).

Almost surely, 2^189004297 is an apocalyptic number.

It is an amenable number.

189004297 is a deficient number, since it is larger than the sum of its proper divisors (206583).

189004297 is an equidigital number, since it uses as much as digits as its factorization.

189004297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206582.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 189004297 is about 13747.8833643583. The cubic root of 189004297 is about 573.8837039338.

The spelling of 189004297 in words is "one hundred eighty-nine million, four thousand, two hundred ninety-seven".