9448139 has 8 divisors (see below), whose sum is σ = 9710400. Its totient is φ = 9189576.

The previous prime is 9448133. The next prime is 9448177. The reversal of 9448139 is 9318449.

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

It is a cyclic number.

It is not a de Polignac number, because 9448139 - 2⁴ = 9448123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9448133) 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, 4712 + ... + 6410.

It is an arithmetic number, because the mean of its divisors is an integer number (1213800).

Almost surely, 2^9448139 is an apocalyptic number.

9448139 is a deficient number, since it is larger than the sum of its proper divisors (262261).

9448139 is a wasteful number, since it uses less digits than its factorization.

9448139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849.

The product of its digits is 31104, while the sum is 38.

The square root of 9448139 is about 3073.7825232114. The cubic root of 9448139 is about 211.4050827197.

The spelling of 9448139 in words is "nine million, four hundred forty-eight thousand, one hundred thirty-nine".