189079983 has 6 divisors (see below), whose sum is σ = 273115544. Its totient is φ = 126053316.

The previous prime is 189079973. The next prime is 189079999. The reversal of 189079983 is 389970981.

189079983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189079983 - 2⁵ = 189079951 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 (189079903) 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, 10504435 + ... + 10504452.

Almost surely, 2^189079983 is an apocalyptic number.

189079983 is a deficient number, since it is larger than the sum of its proper divisors (84035561).

189079983 is a wasteful number, since it uses less digits than its factorization.

189079983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008893 (or 21008890 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 189079983 is about 13750.6357307581. The cubic root of 189079983 is about 573.9602968406.

The spelling of 189079983 in words is "one hundred eighty-nine million, seventy-nine thousand, nine hundred eighty-three".