9949829 has 2 divisors, whose sum is σ = 9949830. Its totient is φ = 9949828.

The previous prime is 9949783. The next prime is 9949831. The reversal of 9949829 is 9289499.

9949829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9672100 + 277729 = 3110^2 + 527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9949829 is a prime.

Together with 9949831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9949859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974914 + 4974915.

It is an arithmetic number, because the mean of its divisors is an integer number (4974915).

Almost surely, 2^9949829 is an apocalyptic number.

It is an amenable number.

9949829 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949829 is an equidigital number, since it uses as much as digits as its factorization.

9949829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 50.

The square root of 9949829 is about 3154.3349536788. The cubic root of 9949829 is about 215.0825642874.

The spelling of 9949829 in words is "nine million, nine hundred forty-nine thousand, eight hundred twenty-nine".