1089336384 has 168 divisors, whose sum is σ = 3284098080. Its totient is φ = 354004992.

The previous prime is 1089336361. The next prime is 1089336439. The reversal of 1089336384 is 4836339801.

1089336384 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 3 + 3 + 638 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11230224 + ... + 11230320.

Almost surely, 2^1089336384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089336384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642049040).

1089336384 is an abundant number, since it is smaller than the sum of its proper divisors (2194761696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089336384 is an frugal number, since it uses more digits than its factorization.

1089336384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1089336384 is about 33005.0963337482. The cubic root of 1089336384 is about 1028.9335693075.

The spelling of 1089336384 in words is "one billion, eighty-nine million, three hundred thirty-six thousand, three hundred eighty-four".