1089297648 has 60 divisors (see below), whose sum is σ = 3100214520. Its totient is φ = 356942208.

The previous prime is 1089297617. The next prime is 1089297659. The reversal of 1089297648 is 8467929801.

It is a junction number, because it is equal to n+sod(n) for n = 1089297594 and 1089297603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55611 + ... + 72602.

It is an arithmetic number, because the mean of its divisors is an integer number (51670242).

Almost surely, 2^1089297648 is an apocalyptic number.

1089297648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1089297648 is an abundant number, since it is smaller than the sum of its proper divisors (2010916872).

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

1089297648 is a wasteful number, since it uses less digits than its factorization.

1089297648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128286 (or 128277 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1089297648 is about 33004.5095100654. The cubic root of 1089297648 is about 1028.9213731228.

The spelling of 1089297648 in words is "one billion, eighty-nine million, two hundred ninety-seven thousand, six hundred forty-eight".