1089894328 has 16 divisors (see below), whose sum is σ = 2064620880. Its totient is φ = 539328768.

The previous prime is 1089894319. The next prime is 1089894329. The reversal of 1089894328 is 8234989801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089894329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701476 + ... + 703027.

It is an arithmetic number, because the mean of its divisors is an integer number (129038805).

Almost surely, 2^1089894328 is an apocalyptic number.

It is an amenable number.

1089894328 is a deficient number, since it is larger than the sum of its proper divisors (974726552).

1089894328 is a wasteful number, since it uses less digits than its factorization.

1089894328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404606 (or 1404602 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 1089894328 is about 33013.5476433539. The cubic root of 1089894328 is about 1029.1092081442.

The spelling of 1089894328 in words is "one billion, eighty-nine million, eight hundred ninety-four thousand, three hundred twenty-eight".