985490573 has 4 divisors (see below), whose sum is σ = 986216028. Its totient is φ = 984765120.

The previous prime is 985490567. The next prime is 985490593. The reversal of 985490573 is 375094589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375094589 = 3541 ⋅105929.

It can be written as a sum of positive squares in 2 ways, for example, as 558944164 + 426546409 = 23642^2 + 20653^2 .

It is a cyclic number.

It is not a de Polignac number, because 985490573 - 2¹² = 985486477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985490543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360686 + ... + 363407.

It is an arithmetic number, because the mean of its divisors is an integer number (246554007).

Almost surely, 2^985490573 is an apocalyptic number.

It is an amenable number.

985490573 is a deficient number, since it is larger than the sum of its proper divisors (725455).

985490573 is a wasteful number, since it uses less digits than its factorization.

985490573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725454.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 985490573 is about 31392.5241578310. The cubic root of 985490573 is about 995.1399424389.

The spelling of 985490573 in words is "nine hundred eighty-five million, four hundred ninety thousand, five hundred seventy-three".