986240 has 64 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 371712.

The previous prime is 986239. The next prime is 986257. The reversal of 986240 is 42689.

It is a tau number, because it is divible by the number of its divisors (64).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14687 + ... + 14753.

It is an arithmetic number, because the mean of its divisors is an integer number (39015).

2⁹⁸⁶²⁴⁰ 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 986240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248480).

986240 is an abundant number, since it is smaller than the sum of its proper divisors (1510720).

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

986240 is a wasteful number, since it uses less digits than its factorization.

986240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 986240 is about 993.0961685557. The cubic root of 986240 is about 99.5392133512.

The spelling of 986240 in words is "nine hundred eighty-six thousand, two hundred forty".