9783966 has 16 divisors (see below), whose sum is σ = 19603584. Its totient is φ = 3255384.

The previous prime is 9783937. The next prime is 9783967. The reversal of 9783966 is 6693879.

It is a happy number.

9783966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9783967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (1225224).

Almost surely, 2^9783966 is an apocalyptic number.

9783966 is an abundant number, since it is smaller than the sum of its proper divisors (9819618).

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

9783966 is a wasteful number, since it uses less digits than its factorization.

9783966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975.

The product of its digits is 489888, while the sum is 48.

The square root of 9783966 is about 3127.9331834296. The cubic root of 9783966 is about 213.8807237027.

It can be divided in two parts, 9783 and 966, that multiplied together give a triangular number (9450378 = T₄₃₄₇).

The spelling of 9783966 in words is "nine million, seven hundred eighty-three thousand, nine hundred sixty-six".