9783961 has 8 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 8843040.

The previous prime is 9783937. The next prime is 9783967. The reversal of 9783961 is 1693879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9783961 - 2⁵ = 9783929 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 2^9783961 is an apocalyptic number.

It is an amenable number.

9783961 is a deficient number, since it is larger than the sum of its proper divisors (951239).

9783961 is a wasteful number, since it uses less digits than its factorization.

9783961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its digits is 81648, while the sum is 43.

The square root of 9783961 is about 3127.9323841797. The cubic root of 9783961 is about 213.8806872688.

The spelling of 9783961 in words is "nine million, seven hundred eighty-three thousand, nine hundred sixty-one".