985973 has 2 divisors, whose sum is σ = 985974. Its totient is φ = 985972.

The previous prime is 985969. The next prime is 985979. The reversal of 985973 is 379589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 380689 = 778^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 985973 - 2² = 985969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492986 + 492987.

It is an arithmetic number, because the mean of its divisors is an integer number (492987).

2⁹⁸⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

985973 is a deficient number, since it is larger than the sum of its proper divisors (1).

985973 is an equidigital number, since it uses as much as digits as its factorization.

985973 is an evil number, because the sum of its binary digits is even.

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

The square root of 985973 is about 992.9617313875. The cubic root of 985973 is about 99.5302299500.

The spelling of 985973 in words is "nine hundred eighty-five thousand, nine hundred seventy-three".