985309446 has 16 divisors (see below), whose sum is σ = 2149766208. Its totient is φ = 298578600.

The previous prime is 985309441. The next prime is 985309447. The reversal of 985309446 is 644903589.

It is a junction number, because it is equal to n+sod(n) for n = 985309395 and 985309404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985309441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7464400 + ... + 7464531.

It is an arithmetic number, because the mean of its divisors is an integer number (134360388).

Almost surely, 2^985309446 is an apocalyptic number.

985309446 is an abundant number, since it is smaller than the sum of its proper divisors (1164456762).

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

985309446 is a wasteful number, since it uses less digits than its factorization.

985309446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14928947.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 985309446 is about 31389.6391505223. The cubic root of 985309446 is about 995.0789718722.

The spelling of 985309446 in words is "nine hundred eighty-five million, three hundred nine thousand, four hundred forty-six".