985797 has 16 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 634032.

The previous prime is 985783. The next prime is 985799. The reversal of 985797 is 797589.

985797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 985797 - 2⁴ = 985781 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985797.

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 15 ways as a sum of consecutive naturals, for example, 154 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2⁹⁸⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

985797 is a deficient number, since it is larger than the sum of its proper divisors (526203).

985797 is a wasteful number, since it uses less digits than its factorization.

985797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1291 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 985797 is about 992.8731036744. The cubic root of 985797 is about 99.5243074204.

The spelling of 985797 in words is "nine hundred eighty-five thousand, seven hundred ninety-seven".