189303346 has 12 divisors (see below), whose sum is σ = 299687742. Its totient is φ = 89669664.

The previous prime is 189303343. The next prime is 189303383. The reversal of 189303346 is 643303981.

It can be written as a sum of positive squares in only one way, i.e., 97239321 + 92064025 = 9861^2 + 9595^2 .

It is not an unprimeable number, because it can be changed into a prime (189303343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130375 + ... + 131818.

Almost surely, 2^189303346 is an apocalyptic number.

189303346 is a deficient number, since it is larger than the sum of its proper divisors (110384396).

189303346 is a wasteful number, since it uses less digits than its factorization.

189303346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262233 (or 262214 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 189303346 is about 13758.7552489315. The cubic root of 189303346 is about 574.1862171853.

The spelling of 189303346 in words is "one hundred eighty-nine million, three hundred three thousand, three hundred forty-six".