189118448 has 10 divisors (see below), whose sum is σ = 366417024. Its totient is φ = 94559216.

The previous prime is 189118439. The next prime is 189118451. The reversal of 189118448 is 844811981.

It is a junction number, because it is equal to n+sod(n) for n = 189118399 and 189118408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5909936 + ... + 5909967.

Almost surely, 2^189118448 is an apocalyptic number.

It is an amenable number.

189118448 is a deficient number, since it is larger than the sum of its proper divisors (177298576).

189118448 is a wasteful number, since it uses less digits than its factorization.

189118448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819911 (or 11819905 counting only the distinct ones).

The product of its digits is 73728, while the sum is 44.

The square root of 189118448 is about 13752.0343222376. The cubic root of 189118448 is about 573.9992149139. Note that the first 3 decimals are identical.

The spelling of 189118448 in words is "one hundred eighty-nine million, one hundred eighteen thousand, four hundred forty-eight".