985990494 has 8 divisors (see below), whose sum is σ = 1971981000. Its totient is φ = 328663496.

The previous prime is 985990417. The next prime is 985990501. The reversal of 985990494 is 494099589.

985990494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

985990494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82165869 + ... + 82165880.

It is an arithmetic number, because the mean of its divisors is an integer number (246497625).

Almost surely, 2^985990494 is an apocalyptic number.

985990494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

985990494 is a wasteful number, since it uses less digits than its factorization.

985990494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164331754.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 985990494 is about 31400.4855694940. The cubic root of 985990494 is about 995.3081859750.

The spelling of 985990494 in words is "nine hundred eighty-five million, nine hundred ninety thousand, four hundred ninety-four".