189406116 has 36 divisors (see below), whose sum is σ = 479645712. Its totient is φ = 63020784.

The previous prime is 189406073. The next prime is 189406123. The reversal of 189406116 is 611604981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 16651 + ... + 25613.

It is an arithmetic number, because the mean of its divisors is an integer number (13323492).

Almost surely, 2^189406116 is an apocalyptic number.

It is an amenable number.

189406116 is an abundant number, since it is smaller than the sum of its proper divisors (290239596).

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

189406116 is a wasteful number, since it uses less digits than its factorization.

189406116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560 (or 9555 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 189406116 is about 13762.4894550368. The cubic root of 189406116 is about 574.2901041364.

The spelling of 189406116 in words is "one hundred eighty-nine million, four hundred six thousand, one hundred sixteen".