1089402328 has 16 divisors (see below), whose sum is σ = 2334433680. Its totient is φ = 466886688.

The previous prime is 1089402311. The next prime is 1089402343. The reversal of 1089402328 is 8232049801.

It is a congruent number.

It is an unprimeable number.

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, 9726751 + ... + 9726862.

It is an arithmetic number, because the mean of its divisors is an integer number (145902105).

Almost surely, 2^1089402328 is an apocalyptic number.

It is an amenable number.

1089402328 is an abundant number, since it is smaller than the sum of its proper divisors (1245031352).

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

1089402328 is a wasteful number, since it uses less digits than its factorization.

1089402328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19453626 (or 19453622 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1089402328 is about 33006.0953158655. The cubic root of 1089402328 is about 1028.9543313748.

The spelling of 1089402328 in words is "one billion, eighty-nine million, four hundred two thousand, three hundred twenty-eight".