983660 has 24 divisors (see below), whose sum is σ = 2086560. Its totient is φ = 389504.

The previous prime is 983659. The next prime is 983699. The reversal of 983660 is 66389.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 983660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (86940).

2⁹⁸³⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

983660 is an abundant number, since it is smaller than the sum of its proper divisors (1102900).

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

983660 is a wasteful number, since it uses less digits than its factorization.

983660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 983660 is about 991.7963500639. The cubic root of 983660 is about 99.4523394883.

The spelling of 983660 in words is "nine hundred eighty-three thousand, six hundred sixty".