1088921792 has 56 divisors (see below), whose sum is σ = 2474976000. Its totient is φ = 465649920.

The previous prime is 1088921789. The next prime is 1088921819. The reversal of 1088921792 is 2971298801.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221117 + ... + 225987.

It is an arithmetic number, because the mean of its divisors is an integer number (44196000).

Almost surely, 2^1088921792 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 1088921792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237488000).

1088921792 is an abundant number, since it is smaller than the sum of its proper divisors (1386054208).

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

1088921792 is an equidigital number, since it uses as much as digits as its factorization.

1088921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1088921792 is about 32998.8150090272. The cubic root of 1088921792 is about 1028.8030183400.

The spelling of 1088921792 in words is "one billion, eighty-eight million, nine hundred twenty-one thousand, seven hundred ninety-two".