9449139 has 8 divisors (see below), whose sum is σ = 14398720. Its totient is φ = 5399496.

The previous prime is 9449131. The next prime is 9449183. The reversal of 9449139 is 9319449.

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

It is not a de Polignac number, because 9449139 - 2³ = 9449131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9449097 and 9449106.

It is not an unprimeable number, because it can be changed into a prime (9449131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224959 + ... + 225000.

It is an arithmetic number, because the mean of its divisors is an integer number (1799840).

Almost surely, 2^9449139 is an apocalyptic number.

9449139 is a deficient number, since it is larger than the sum of its proper divisors (4949581).

9449139 is a wasteful number, since it uses less digits than its factorization.

9449139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449969.

The product of its digits is 34992, while the sum is 39.

The square root of 9449139 is about 3073.9451849374. The cubic root of 9449139 is about 211.4125408948.

The spelling of 9449139 in words is "nine million, four hundred forty-nine thousand, one hundred thirty-nine".