1090839085 has 16 divisors (see below), whose sum is σ = 1584009216. Its totient is φ = 704003328.

The previous prime is 1090839083. The next prime is 1090839103. The reversal of 1090839085 is 5809380901.

It is not a de Polignac number, because 1090839085 - 2¹ = 1090839083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090839083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 916077 + ... + 917266.

It is an arithmetic number, because the mean of its divisors is an integer number (99000576).

Almost surely, 2^1090839085 is an apocalyptic number.

It is an amenable number.

1090839085 is a deficient number, since it is larger than the sum of its proper divisors (493170131).

1090839085 is a wasteful number, since it uses less digits than its factorization.

1090839085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833372.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1090839085 is about 33027.8531697112. The cubic root of 1090839085 is about 1029.4064777387.

The spelling of 1090839085 in words is "one billion, ninety million, eight hundred thirty-nine thousand, eighty-five".