189383193 has 6 divisors (see below), whose sum is σ = 273553514. Its totient is φ = 126255456.

The previous prime is 189383167. The next prime is 189383209. The reversal of 189383193 is 391383981.

It is a happy number.

189383193 is a `hidden beast` number, since 1 + 89 + 383 + 193 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99740169 + 89643024 = 9987^2 + 9468^2 .

It is not a de Polignac number, because 189383193 - 2¹⁴ = 189366809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189383093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10521280 + ... + 10521297.

Almost surely, 2^189383193 is an apocalyptic number.

It is an amenable number.

189383193 is a deficient number, since it is larger than the sum of its proper divisors (84170321).

189383193 is a wasteful number, since it uses less digits than its factorization.

189383193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042583 (or 21042580 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 189383193 is about 13761.6566226599. The cubic root of 189383193 is about 574.2669352556.

The spelling of 189383193 in words is "one hundred eighty-nine million, three hundred eighty-three thousand, one hundred ninety-three".