985727633 has 4 divisors (see below), whose sum is σ = 1075339248. Its totient is φ = 896116020.

The previous prime is 985727627. The next prime is 985727641. The reversal of 985727633 is 336727589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 985727633 - 2¹² = 985723537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985727623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44805791 + ... + 44805812.

It is an arithmetic number, because the mean of its divisors is an integer number (268834812).

Almost surely, 2^985727633 is an apocalyptic number.

It is an amenable number.

985727633 is a deficient number, since it is larger than the sum of its proper divisors (89611615).

985727633 is a wasteful number, since it uses less digits than its factorization.

985727633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89611614.

The product of its digits is 1905120, while the sum is 50.

The square root of 985727633 is about 31396.2996705026. The cubic root of 985727633 is about 995.2197297611.

The spelling of 985727633 in words is "nine hundred eighty-five million, seven hundred twenty-seven thousand, six hundred thirty-three".