189808334 has 8 divisors (see below), whose sum is σ = 286358760. Its totient is φ = 94355416.

The previous prime is 189808331. The next prime is 189808343. The reversal of 189808334 is 433808981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189808331) 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, 273944 + ... + 274635.

It is an arithmetic number, because the mean of its divisors is an integer number (35794845).

Almost surely, 2^189808334 is an apocalyptic number.

189808334 is a deficient number, since it is larger than the sum of its proper divisors (96550426).

189808334 is a wasteful number, since it uses less digits than its factorization.

189808334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548754.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 189808334 is about 13777.0945413030. The cubic root of 189808334 is about 574.6963326620.

The spelling of 189808334 in words is "one hundred eighty-nine million, eight hundred eight thousand, three hundred thirty-four".