189484982 has 4 divisors (see below), whose sum is σ = 284227476. Its totient is φ = 94742490.

The previous prime is 189484979. The next prime is 189484993. The reversal of 189484982 is 289484981.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47371244 + ... + 47371247.

It is an arithmetic number, because the mean of its divisors is an integer number (71056869).

Almost surely, 2^189484982 is an apocalyptic number.

189484982 is a deficient number, since it is larger than the sum of its proper divisors (94742494).

189484982 is an equidigital number, since it uses as much as digits as its factorization.

189484982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94742493.

The product of its digits is 1327104, while the sum is 53.

The square root of 189484982 is about 13765.3544088047. The cubic root of 189484982 is about 574.3698018066.

Subtracting 189484982 from its reverse (289484981), we obtain a palindrome (99999999).

The spelling of 189484982 in words is "one hundred eighty-nine million, four hundred eighty-four thousand, nine hundred eighty-two".