189628952 has 8 divisors (see below), whose sum is σ = 355554300. Its totient is φ = 94814472.

The previous prime is 189628927. The next prime is 189628963. The reversal of 189628952 is 259826981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 189628952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11851802 + ... + 11851817.

Almost surely, 2^189628952 is an apocalyptic number.

It is an amenable number.

189628952 is a deficient number, since it is larger than the sum of its proper divisors (165925348).

189628952 is a wasteful number, since it uses less digits than its factorization.

189628952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23703625 (or 23703621 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 189628952 is about 13770.5828489574. The cubic root of 189628952 is about 574.5152330088.

The spelling of 189628952 in words is "one hundred eighty-nine million, six hundred twenty-eight thousand, nine hundred fifty-two".