9949239 has 12 divisors (see below), whose sum is σ = 14468272. Its totient is φ = 6588000.

The previous prime is 9949231. The next prime is 9949249. The reversal of 9949239 is 9329499.

It is not a de Polignac number, because 9949239 - 2³ = 9949231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9949194 and 9949203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949231) 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 11 ways as a sum of consecutive naturals, for example, 2302 + ... + 5019.

Almost surely, 2^9949239 is an apocalyptic number.

9949239 is a deficient number, since it is larger than the sum of its proper divisors (4519033).

9949239 is a wasteful number, since it uses less digits than its factorization.

9949239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478 (or 7475 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 9949239 is about 3154.2414302016. The cubic root of 9949239 is about 215.0783129172.

The spelling of 9949239 in words is "nine million, nine hundred forty-nine thousand, two hundred thirty-nine".