189323419 has 8 divisors (see below), whose sum is σ = 198329760. Its totient is φ = 180381696.

The previous prime is 189323377. The next prime is 189323437. The reversal of 189323419 is 914323981.

189323419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189323419 is a prime.

It is a super-2 number, since 2×189323419² = 71686713963699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189329419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10104 + ... + 21925.

It is an arithmetic number, because the mean of its divisors is an integer number (24791220).

Almost surely, 2^189323419 is an apocalyptic number.

189323419 is a deficient number, since it is larger than the sum of its proper divisors (9006341).

189323419 is a wasteful number, since it uses less digits than its factorization.

189323419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32309.

The product of its digits is 46656, while the sum is 40.

The square root of 189323419 is about 13759.4846923858. The cubic root of 189323419 is about 574.2065113020.

The spelling of 189323419 in words is "one hundred eighty-nine million, three hundred twenty-three thousand, four hundred nineteen".