1090448843 has 8 divisors (see below), whose sum is σ = 1189831680. Its totient is φ = 991107880.

The previous prime is 1090448831. The next prime is 1090448861. The reversal of 1090448843 is 3488440901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1090448843 - 2¹⁰ = 1090447819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1090448843.

It is not an unprimeable number, because it can be changed into a prime (1090448813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72878 + ... + 86556.

It is an arithmetic number, because the mean of its divisors is an integer number (148728960).

Almost surely, 2^1090448843 is an apocalyptic number.

1090448843 is a deficient number, since it is larger than the sum of its proper divisors (99382837).

1090448843 is a wasteful number, since it uses less digits than its factorization.

1090448843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1090448843 is about 33021.9448700406. The cubic root of 1090448843 is about 1029.2837081625.

The spelling of 1090448843 in words is "one billion, ninety million, four hundred forty-eight thousand, eight hundred forty-three".