19089128 has 16 divisors (see below), whose sum is σ = 35944260. Its totient is φ = 9504000.

The previous prime is 19089089. The next prime is 19089139. The reversal of 19089128 is 82198091.

It can be written as a sum of positive squares in 2 ways, for example, as 15856324 + 3232804 = 3982^2 + 1798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19089091 and 19089100.

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 in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 6878.

Almost surely, 2^19089128 is an apocalyptic number.

It is an amenable number.

19089128 is a deficient number, since it is larger than the sum of its proper divisors (16855132).

19089128 is a wasteful number, since it uses less digits than its factorization.

19089128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 19089128 is about 4369.1106646548. The cubic root of 19089128 is about 267.2567585331.

The spelling of 19089128 in words is "nineteen million, eighty-nine thousand, one hundred twenty-eight".