1948896189 has 24 divisors (see below), whose sum is σ = 2909088000. Its totient is φ = 1255965120.

The previous prime is 1948896163. The next prime is 1948896233. The reversal of 1948896189 is 9816988491.

1948896189 is a `hidden beast` number, since 1 + 9 + 4 + 8 + 8 + 9 + 618 + 9 = 666.

It is not a de Polignac number, because 1948896189 - 2¹² = 1948892093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948896119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289342 + ... + 296000.

It is an arithmetic number, because the mean of its divisors is an integer number (121212000).

Almost surely, 2^1948896189 is an apocalyptic number.

It is an amenable number.

1948896189 is a deficient number, since it is larger than the sum of its proper divisors (960191811).

1948896189 is a wasteful number, since it uses less digits than its factorization.

1948896189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745 (or 7742 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 63.

The square root of 1948896189 is about 44146.3043640122. The cubic root of 1948896189 is about 1249.0972017746.

The spelling of 1948896189 in words is "one billion, nine hundred forty-eight million, eight hundred ninety-six thousand, one hundred eighty-nine".