189889852 has 12 divisors (see below), whose sum is σ = 333798976. Its totient is φ = 94518720.

The previous prime is 189889841. The next prime is 189889877. The reversal of 189889852 is 258988981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105549 + ... + 107332.

Almost surely, 2^189889852 is an apocalyptic number.

It is an amenable number.

189889852 is a deficient number, since it is larger than the sum of its proper divisors (143909124).

189889852 is a wasteful number, since it uses less digits than its factorization.

189889852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213108 (or 213106 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 58.

The square root of 189889852 is about 13780.0526849501. The cubic root of 189889852 is about 574.7785935223.

The spelling of 189889852 in words is "one hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred fifty-two".