985793 has 4 divisors (see below), whose sum is σ = 987780. Its totient is φ = 983808.

The previous prime is 985783. The next prime is 985799. The reversal of 985793 is 397589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 332929 = 808^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 985793 - 2⁶ = 985729 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 985793.

It is not an unprimeable number, because it can be changed into a prime (985799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (246945).

2⁹⁸⁵⁷⁹³ is an apocalyptic number.

It is an amenable number.

985793 is a deficient number, since it is larger than the sum of its proper divisors (1987).

985793 is a wasteful number, since it uses less digits than its factorization.

985793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its digits is 68040, while the sum is 41.

The square root of 985793 is about 992.8710893162. The cubic root of 985793 is about 99.5241728093.

The spelling of 985793 in words is "nine hundred eighty-five thousand, seven hundred ninety-three".