189419052 has 48 divisors (see below), whose sum is σ = 457856000. Its totient is φ = 60886080.

The previous prime is 189419047. The next prime is 189419063. The reversal of 189419052 is 250914981.

It is a self number, because there is not a number n which added to its sum of digits gives 189419052.

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 15 ways as a sum of consecutive naturals, for example, 129099 + ... + 130557.

Almost surely, 2^189419052 is an apocalyptic number.

189419052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189419052 is an abundant number, since it is smaller than the sum of its proper divisors (268436948).

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

189419052 is a wasteful number, since it uses less digits than its factorization.

189419052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 189419052 is about 13762.9594201247. The cubic root of 189419052 is about 574.3031780678.

The spelling of 189419052 in words is "one hundred eighty-nine million, four hundred nineteen thousand, fifty-two".