189810083 has 4 divisors (see below), whose sum is σ = 200975400. Its totient is φ = 178644768.

The previous prime is 189810079. The next prime is 189810113. The reversal of 189810083 is 380018981.

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 189810083 - 2² = 189810079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189810683) 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, 5582633 + ... + 5582666.

It is an arithmetic number, because the mean of its divisors is an integer number (50243850).

Almost surely, 2^189810083 is an apocalyptic number.

189810083 is a deficient number, since it is larger than the sum of its proper divisors (11165317).

189810083 is a wasteful number, since it uses less digits than its factorization.

189810083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165316.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 189810083 is about 13777.1580160786. The cubic root of 189810083 is about 574.6980978476.

The spelling of 189810083 in words is "one hundred eighty-nine million, eight hundred ten thousand, eighty-three".