1089340748 has 12 divisors (see below), whose sum is σ = 1932461160. Its totient is φ = 537208992.

The previous prime is 1089340723. The next prime is 1089340793. The reversal of 1089340748 is 8470439801.

It is a junction number, because it is equal to n+sod(n) for n = 1089340699 and 1089340708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865018 + ... + 1865601.

It is an arithmetic number, because the mean of its divisors is an integer number (161038430).

Almost surely, 2^1089340748 is an apocalyptic number.

It is an amenable number.

1089340748 is a deficient number, since it is larger than the sum of its proper divisors (843120412).

1089340748 is a wasteful number, since it uses less digits than its factorization.

1089340748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730696 (or 3730694 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1089340748 is about 33005.1624446843. The cubic root of 1089340748 is about 1028.9349433122.

The spelling of 1089340748 in words is "one billion, eighty-nine million, three hundred forty thousand, seven hundred forty-eight".