9438149 has 8 divisors (see below), whose sum is σ = 10888128. Its totient is φ = 8013600.

The previous prime is 9438127. The next prime is 9438151. The reversal of 9438149 is 9418349.

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

It is a de Polignac number, because none of the positive numbers 2^k-9438149 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438109) 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, 5552 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (1361016).

Almost surely, 2^9438149 is an apocalyptic number.

It is an amenable number.

9438149 is a deficient number, since it is larger than the sum of its proper divisors (1449979).

9438149 is a wasteful number, since it uses less digits than its factorization.

9438149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715.

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

The square root of 9438149 is about 3072.1570597871. The cubic root of 9438149 is about 211.3305466455.

The spelling of 9438149 in words is "nine million, four hundred thirty-eight thousand, one hundred forty-nine".