986040 has 128 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 236160.

The previous prime is 986023. The next prime is 986047. The reversal of 986040 is 40689.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 985995 and 986013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11839 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2⁹⁸⁶⁰⁴⁰ is an apocalyptic number.

986040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 986040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

986040 is an abundant number, since it is smaller than the sum of its proper divisors (2642760).

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

986040 is a wasteful number, since it uses less digits than its factorization.

986040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 986040 is about 992.9954682676. The cubic root of 986040 is about 99.5324843641.

The spelling of 986040 in words is "nine hundred eighty-six thousand, forty".