9883949 has 2 divisors, whose sum is σ = 9883950. Its totient is φ = 9883948.

The previous prime is 9883943. The next prime is 9883967. The reversal of 9883949 is 9493889.

9883949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9259849 + 624100 = 3043^2 + 790^2 .

It is an emirp because it is prime and its reverse (9493889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9883949 - 2²⁰ = 8835373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9883897 and 9883906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9883943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4941974 + 4941975.

It is an arithmetic number, because the mean of its divisors is an integer number (4941975).

Almost surely, 2^9883949 is an apocalyptic number.

It is an amenable number.

9883949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9883949 is an equidigital number, since it uses as much as digits as its factorization.

9883949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 9883949 is about 3143.8748384756. The cubic root of 9883949 is about 214.6068097690.

The spelling of 9883949 in words is "nine million, eight hundred eighty-three thousand, nine hundred forty-nine".