986845440 has 144 divisors (see below), whose sum is σ = 3602083968. Its totient is φ = 225558528.

The previous prime is 986845423. The next prime is 986845451. The reversal of 986845440 is 44548689.

986845440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 986845440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8524 + ... + 45236.

It is an arithmetic number, because the mean of its divisors is an integer number (25014472).

Almost surely, 2^986845440 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 986845440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801041984).

986845440 is an abundant number, since it is smaller than the sum of its proper divisors (2615238528).

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

986845440 is a wasteful number, since it uses less digits than its factorization.

986845440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36744 (or 36730 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 986845440 is about 31414.0961989996. The cubic root of 986845440 is about 995.5957779715.

The spelling of 986845440 in words is "nine hundred eighty-six million, eight hundred forty-five thousand, four hundred forty".