1084543648 has 24 divisors (see below), whose sum is σ = 2135930580. Its totient is φ = 542085120.

The previous prime is 1084543619. The next prime is 1084543661. The reversal of 1084543648 is 8463454801.

It can be written as a sum of positive squares in 2 ways, for example, as 1068766864 + 15776784 = 32692^2 + 3972^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 170998 + ... + 177226.

Almost surely, 2^1084543648 is an apocalyptic number.

It is an amenable number.

1084543648 is a deficient number, since it is larger than the sum of its proper divisors (1051386932).

1084543648 is an equidigital number, since it uses as much as digits as its factorization.

1084543648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680 (or 11672 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 1084543648 is about 32932.4102974562. The cubic root of 1084543648 is about 1027.4223566180.

The spelling of 1084543648 in words is "one billion, eighty-four million, five hundred forty-three thousand, six hundred forty-eight".