189548872 has 32 divisors (see below), whose sum is σ = 369086400. Its totient is φ = 91151424.

The previous prime is 189548851. The next prime is 189548873. The reversal of 189548872 is 278845981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189548873) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 64213 + ... + 67099.

It is an arithmetic number, because the mean of its divisors is an integer number (11533950).

Almost surely, 2^189548872 is an apocalyptic number.

It is an amenable number.

189548872 is a deficient number, since it is larger than the sum of its proper divisors (179537528).

189548872 is a wasteful number, since it uses less digits than its factorization.

189548872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3201 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 52.

The square root of 189548872 is about 13767.6748944766. The cubic root of 189548872 is about 574.4343493372.

The spelling of 189548872 in words is "one hundred eighty-nine million, five hundred forty-eight thousand, eight hundred seventy-two".