1089473288 has 32 divisors (see below), whose sum is σ = 2221392600. Its totient is φ = 498834432.

The previous prime is 1089473261. The next prime is 1089473299. The reversal of 1089473288 is 8823749801.

It can be written as a sum of positive squares in 4 ways, for example, as 958645444 + 130827844 = 30962^2 + 11438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103223 + ... + 113286.

Almost surely, 2^1089473288 is an apocalyptic number.

It is an amenable number.

1089473288 is an abundant number, since it is smaller than the sum of its proper divisors (1131919312).

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

1089473288 is a wasteful number, since it uses less digits than its factorization.

1089473288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216569 (or 216565 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 1089473288 is about 33007.1702513257. The cubic root of 1089473288 is about 1028.9766717634.

The spelling of 1089473288 in words is "one billion, eighty-nine million, four hundred seventy-three thousand, two hundred eighty-eight".