189830285 has 8 divisors (see below), whose sum is σ = 230680320. Its totient is φ = 149941584.

The previous prime is 189830269. The next prime is 189830297. The reversal of 189830285 is 582038981.

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

It is a cyclic number.

It is not a de Polignac number, because 189830285 - 2⁴ = 189830269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239897 + ... + 240686.

It is an arithmetic number, because the mean of its divisors is an integer number (28835040).

Almost surely, 2^189830285 is an apocalyptic number.

It is an amenable number.

189830285 is a deficient number, since it is larger than the sum of its proper divisors (40850035).

189830285 is an equidigital number, since it uses as much as digits as its factorization.

189830285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480667.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 189830285 is about 13777.8911666481. The cubic root of 189830285 is about 574.7184860147.

The spelling of 189830285 in words is "one hundred eighty-nine million, eight hundred thirty thousand, two hundred eighty-five".