189804352 has 14 divisors (see below), whose sum is σ = 376643138. Its totient is φ = 94902144.

The previous prime is 189804347. The next prime is 189804389. The reversal of 189804352 is 253408981.

It can be written as a sum of positive squares in only one way, i.e., 137733696 + 52070656 = 11736^2 + 7216^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1482783 + ... + 1482910.

Almost surely, 2^189804352 is an apocalyptic number.

It is an amenable number.

189804352 is a deficient number, since it is larger than the sum of its proper divisors (186838786).

189804352 is an equidigital number, since it uses as much as digits as its factorization.

189804352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965705 (or 2965695 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 189804352 is about 13776.9500253140. The cubic root of 189804352 is about 574.6923137714.

It can be divided in two parts, 18980 and 4352, that added together give a palindrome (23332).

The spelling of 189804352 in words is "one hundred eighty-nine million, eight hundred four thousand, three hundred fifty-two".