9996949 has 2 divisors, whose sum is σ = 9996950. Its totient is φ = 9996948.

The previous prime is 9996937. The next prime is 9996979. The reversal of 9996949 is 9496999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 3960100 = 2457^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 9996949 - 2¹³ = 9988757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9996949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9996929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998474 + 4998475.

It is an arithmetic number, because the mean of its divisors is an integer number (4998475).

Almost surely, 2^9996949 is an apocalyptic number.

It is an amenable number.

9996949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996949 is an equidigital number, since it uses as much as digits as its factorization.

9996949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417176, while the sum is 55.

The square root of 9996949 is about 3161.7952179102. The cubic root of 9996949 is about 215.4215561737.

The spelling of 9996949 in words is "nine million, nine hundred ninety-six thousand, nine hundred forty-nine".