9939449 has 8 divisors (see below), whose sum is σ = 10762752. Its totient is φ = 9124560.

The previous prime is 9939403. The next prime is 9939463. The reversal of 9939449 is 9449399.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9939449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9939049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^9939449 is an apocalyptic number.

It is an amenable number.

9939449 is a deficient number, since it is larger than the sum of its proper divisors (823303).

9939449 is a wasteful number, since it uses less digits than its factorization.

9939449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 314928, while the sum is 47.

The square root of 9939449 is about 3152.6891695821. The cubic root of 9939449 is about 215.0077444479.

The spelling of 9939449 in words is "nine million, nine hundred thirty-nine thousand, four hundred forty-nine".