189429084 has 48 divisors (see below), whose sum is σ = 528894240. Its totient is φ = 58285440.

The previous prime is 189429083. The next prime is 189429089. The reversal of 189429084 is 480924981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189429083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66057 + ... + 68864.

It is an arithmetic number, because the mean of its divisors is an integer number (11018630).

Almost surely, 2^189429084 is an apocalyptic number.

It is an amenable number.

189429084 is an abundant number, since it is smaller than the sum of its proper divisors (339465156).

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

189429084 is a wasteful number, since it uses less digits than its factorization.

189429084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134947 (or 134939 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 189429084 is about 13763.3238717978. The cubic root of 189429084 is about 574.3133166251.

The spelling of 189429084 in words is "one hundred eighty-nine million, four hundred twenty-nine thousand, eighty-four".