9949389 has 16 divisors (see below), whose sum is σ = 13575744. Its totient is φ = 6480000.

The previous prime is 9949321. The next prime is 9949393. The reversal of 9949389 is 9839499.

It is not a de Polignac number, because 9949389 - 2⁹ = 9948877 is a prime.

9949389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949889) 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 15 ways as a sum of consecutive naturals, for example, 39514 + ... + 39764.

It is an arithmetic number, because the mean of its divisors is an integer number (848484).

Almost surely, 2^9949389 is an apocalyptic number.

It is an amenable number.

9949389 is a deficient number, since it is larger than the sum of its proper divisors (3626355).

9949389 is a wasteful number, since it uses less digits than its factorization.

9949389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 629856, while the sum is 51.

The square root of 9949389 is about 3154.2652076197. The cubic root of 9949389 is about 215.0793937900.

The spelling of 9949389 in words is "nine million, nine hundred forty-nine thousand, three hundred eighty-nine".