985357 has 4 divisors (see below), whose sum is σ = 989820. Its totient is φ = 980896.

The previous prime is 985351. The next prime is 985379. The reversal of 985357 is 753589.

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 687241 + 298116 = 829^2 + 546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985357 is a prime.

It is a super-3 number, since 3×985357³ = 2870133337896882879, which contains 333 as substring.

It is a Duffinian number.

985357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985351) 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, 1882 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (247455).

2⁹⁸⁵³⁵⁷ is an apocalyptic number.

It is an amenable number.

985357 is a deficient number, since it is larger than the sum of its proper divisors (4463).

985357 is a wasteful number, since it uses less digits than its factorization.

985357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462.

The product of its digits is 37800, while the sum is 37.

The square root of 985357 is about 992.6514997722. The cubic root of 985357 is about 99.5094980117.

The spelling of 985357 in words is "nine hundred eighty-five thousand, three hundred fifty-seven".