986320 has 20 divisors (see below), whose sum is σ = 2293380. Its totient is φ = 394496.

The previous prime is 986287. The next prime is 986333. The reversal of 986320 is 23689.

986320 = 50² + 51² + ... + 145².

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 876096 = 332^2 + 936^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085 + ... + 6244.

It is an arithmetic number, because the mean of its divisors is an integer number (114669).

2⁹⁸⁶³²⁰ is an apocalyptic number.

It is an amenable number.

986320 is an abundant number, since it is smaller than the sum of its proper divisors (1307060).

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

986320 is a wasteful number, since it uses less digits than its factorization.

986320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 12336 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 986320 is about 993.1364458120. The cubic root of 986320 is about 99.5419046913.

The spelling of 986320 in words is "nine hundred eighty-six thousand, three hundred twenty".