986544 has 120 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 276480.

The previous prime is 986543. The next prime is 986563. The reversal of 986544 is 445689.

986544 is digitally balanced in base 2, 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 (36).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 986499 and 986508.

It is not an unprimeable number, because it can be changed into a prime (986543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31809 + ... + 31839.

2⁹⁸⁶⁵⁴⁴ 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 986544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624896).

986544 is an abundant number, since it is smaller than the sum of its proper divisors (2263248).

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

986544 is a wasteful number, since it uses less digits than its factorization.

986544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 66 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 986544 is about 993.2492134404. The cubic root of 986544 is about 99.5494396694.

The spelling of 986544 in words is "nine hundred eighty-six thousand, five hundred forty-four".