189029688 has 16 divisors (see below), whose sum is σ = 472574280. Its totient is φ = 63009888.

The previous prime is 189029671. The next prime is 189029693. The reversal of 189029688 is 886920981.

189029688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×189029688³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189029688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3938095 + ... + 3938142.

Almost surely, 2^189029688 is an apocalyptic number.

It is an amenable number.

189029688 is an abundant number, since it is smaller than the sum of its proper divisors (283544592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189029688 is a wasteful number, since it uses less digits than its factorization.

189029688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876246 (or 7876242 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 189029688 is about 13748.8067845904. The cubic root of 189029688 is about 573.9094014601.

The spelling of 189029688 in words is "one hundred eighty-nine million, twenty-nine thousand, six hundred eighty-eight".