189027942 has 16 divisors (see below), whose sum is σ = 380817072. Its totient is φ = 62549120.

The previous prime is 189027919. The next prime is 189027953. The reversal of 189027942 is 249720981.

It is a junction number, because it is equal to n+sod(n) for n = 189027894 and 189027903.

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 7 ways as a sum of consecutive naturals, for example, 114159 + ... + 115802.

It is an arithmetic number, because the mean of its divisors is an integer number (23801067).

Almost surely, 2^189027942 is an apocalyptic number.

189027942 is an abundant number, since it is smaller than the sum of its proper divisors (191789130).

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

189027942 is a wasteful number, since it uses less digits than its factorization.

189027942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230103.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 189027942 is about 13748.7432880245. The cubic root of 189027942 is about 573.9076344556.

The spelling of 189027942 in words is "one hundred eighty-nine million, twenty-seven thousand, nine hundred forty-two".