803390085 has 12 divisors (see below), whose sum is σ = 1392542892. Its totient is φ = 428474688.

The previous prime is 803390047. The next prime is 803390087. The reversal of 803390085 is 580093308.

803390085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 490312449 + 313077636 = 22143^2 + 17694^2 .

It is a de Polignac number, because none of the positive numbers 2^k-803390085 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803390087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8926512 + ... + 8926601.

It is an arithmetic number, because the mean of its divisors is an integer number (116045241).

Almost surely, 2^803390085 is an apocalyptic number.

It is an amenable number.

803390085 is a deficient number, since it is larger than the sum of its proper divisors (589152807).

803390085 is a wasteful number, since it uses less digits than its factorization.

803390085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17853124 (or 17853121 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 803390085 is about 28344.1366952673. The cubic root of 803390085 is about 929.6272005624.

The spelling of 803390085 in words is "eight hundred three million, three hundred ninety thousand, eighty-five".