1083590985 has 16 divisors (see below), whose sum is σ = 1734929280. Its totient is φ = 577520640.

The previous prime is 1083590953. The next prime is 1083590993. The reversal of 1083590985 is 5890953801.

It is not a de Polignac number, because 1083590985 - 2⁵ = 1083590953 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 46569.

It is an arithmetic number, because the mean of its divisors is an integer number (108433080).

Almost surely, 2^1083590985 is an apocalyptic number.

1083590985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1083590985 is a deficient number, since it is larger than the sum of its proper divisors (651338295).

1083590985 is a wasteful number, since it uses less digits than its factorization.

1083590985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49328.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 1083590985 is about 32917.9432073148. The cubic root of 1083590985 is about 1027.1214392706.

The spelling of 1083590985 in words is "one billion, eighty-three million, five hundred ninety thousand, nine hundred eighty-five".