9949797 has 40 divisors (see below), whose sum is σ = 17482080. Its totient is φ = 5559840.

The previous prime is 9949783. The next prime is 9949829. The reversal of 9949797 is 7979499.

It is not a de Polignac number, because 9949797 - 2⁶ = 9949733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11154 + ... + 12012.

It is an arithmetic number, because the mean of its divisors is an integer number (437052).

Almost surely, 2^9949797 is an apocalyptic number.

It is an amenable number.

9949797 is a deficient number, since it is larger than the sum of its proper divisors (7532283).

9949797 is a wasteful number, since it uses less digits than its factorization.

9949797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 886 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 9949797 is about 3154.3298812902. The cubic root of 9949797 is about 215.0823337090.

The spelling of 9949797 in words is "nine million, nine hundred forty-nine thousand, seven hundred ninety-seven".