983646 has 12 divisors (see below), whose sum is σ = 2131272. Its totient is φ = 327876.

The previous prime is 983617. The next prime is 983659. The reversal of 983646 is 646389.

983646 is a `hidden beast` number, since 9 + 8 + 3 + 646 = 666.

983646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 983646.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 983646.

It is an unprimeable number.

983646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27306 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (177606).

2⁹⁸³⁶⁴⁶ is an apocalyptic number.

983646 is an abundant number, since it is smaller than the sum of its proper divisors (1147626).

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

983646 is a wasteful number, since it uses less digits than its factorization.

983646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54655 (or 54652 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 983646 is about 991.7892921382. The cubic root of 983646 is about 99.4518676656.

The spelling of 983646 in words is "nine hundred eighty-three thousand, six hundred forty-six".