189729088 has 28 divisors (see below), whose sum is σ = 376936000. Its totient is φ = 94753152.

The previous prime is 189729077. The next prime is 189729103. The reversal of 189729088 is 880927981.

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 in 3 ways as a sum of consecutive naturals, for example, 93913 + ... + 95911.

It is an arithmetic number, because the mean of its divisors is an integer number (13462000).

Almost surely, 2^189729088 is an apocalyptic number.

It is an amenable number.

189729088 is a deficient number, since it is larger than the sum of its proper divisors (187206912).

189729088 is a wasteful number, since it uses less digits than its factorization.

189729088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 189729088 is about 13774.2182355297. The cubic root of 189729088 is about 574.6163419258.

The spelling of 189729088 in words is "one hundred eighty-nine million, seven hundred twenty-nine thousand, eighty-eight".