985722624 has 216 divisors, whose sum is σ = 3021130112. Its totient is φ = 308551680.

The previous prime is 985722623. The next prime is 985722637. The reversal of 985722624 is 426227589.

It is a self number, because there is not a number n which added to its sum of digits gives 985722624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985722623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2642502 + ... + 2642874.

Almost surely, 2^985722624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985722624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510565056).

985722624 is an abundant number, since it is smaller than the sum of its proper divisors (2035407488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

985722624 is a wasteful number, since it uses less digits than its factorization.

985722624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 446 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 985722624 is about 31396.2198998542. The cubic root of 985722624 is about 995.2180440134.

The spelling of 985722624 in words is "nine hundred eighty-five million, seven hundred twenty-two thousand, six hundred twenty-four".