986660 has 12 divisors (see below), whose sum is σ = 2072028. Its totient is φ = 394656.

The previous prime is 986659. The next prime is 986693. The reversal of 986660 is 66689.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 222784 = 874^2 + 472^2 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 986660.

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, 24647 + ... + 24686.

It is an arithmetic number, because the mean of its divisors is an integer number (172669).

2⁹⁸⁶⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

986660 is an abundant number, since it is smaller than the sum of its proper divisors (1085368).

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

986660 is a wasteful number, since it uses less digits than its factorization.

986660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49342 (or 49340 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 986660 is about 993.3076059308. The cubic root of 986660 is about 99.5533412634.

The spelling of 986660 in words is "nine hundred eighty-six thousand, six hundred sixty".