985310973 has 20 divisors (see below), whose sum is σ = 1558467900. Its totient is φ = 618233472.

The previous prime is 985310971. The next prime is 985310983. The reversal of 985310973 is 379013589.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 883159524 + 102151449 = 29718^2 + 10107^2 .

It is not a de Polignac number, because 985310973 - 2¹ = 985310971 is a prime.

It is a super-3 number, since 3×985310973³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985310971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 356398 + ... + 359151.

It is an arithmetic number, because the mean of its divisors is an integer number (77923395).

Almost surely, 2^985310973 is an apocalyptic number.

It is an amenable number.

985310973 is a deficient number, since it is larger than the sum of its proper divisors (573156927).

985310973 is a wasteful number, since it uses less digits than its factorization.

985310973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715578 (or 715569 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 985310973 is about 31389.6634738253. The cubic root of 985310973 is about 995.0794859188.

The spelling of 985310973 in words is "nine hundred eighty-five million, three hundred ten thousand, nine hundred seventy-three".