985490000 has 300 divisors, whose sum is σ = 2854186368. Its totient is φ = 326400000.

The previous prime is 985489997. The next prime is 985490029. The reversal of 985490000 is 94589.

985490000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 31789985 + ... + 31790015.

Almost surely, 2^985490000 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 985490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427093184).

985490000 is an abundant number, since it is smaller than the sum of its proper divisors (1868696368).

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

985490000 is a wasteful number, since it uses less digits than its factorization.

985490000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 985490000 is about 31392.5150314530. The cubic root of 985490000 is about 995.1397495687.

The spelling of 985490000 in words is "nine hundred eighty-five million, four hundred ninety thousand".