189374383 has 4 divisors (see below), whose sum is σ = 206590248. Its totient is φ = 172158520.

The previous prime is 189374371. The next prime is 189374401. The reversal of 189374383 is 383473981.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189374383 - 2⁵ = 189374351 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 (189374183) 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, 8607916 + ... + 8607937.

It is an arithmetic number, because the mean of its divisors is an integer number (51647562).

Almost surely, 2^189374383 is an apocalyptic number.

189374383 is a deficient number, since it is larger than the sum of its proper divisors (17215865).

189374383 is a wasteful number, since it uses less digits than its factorization.

189374383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17215864.

The product of its digits is 435456, while the sum is 46.

The square root of 189374383 is about 13761.3365266605. The cubic root of 189374383 is about 574.2580302589.

The spelling of 189374383 in words is "one hundred eighty-nine million, three hundred seventy-four thousand, three hundred eighty-three".