9744138 has 20 divisors (see below), whose sum is σ = 21834450. Its totient is φ = 3247992.

The previous prime is 9744121. The next prime is 9744139. The reversal of 9744138 is 8314479.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8982009 + 762129 = 2997^2 + 873^2 .

It is not an unprimeable number, because it can be changed into a prime (9744139) 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 9 ways as a sum of consecutive naturals, for example, 29913 + ... + 30236.

Almost surely, 2^9744138 is an apocalyptic number.

9744138 is an abundant number, since it is smaller than the sum of its proper divisors (12090312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9744138 is a wasteful number, since it uses less digits than its factorization.

9744138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60163 (or 60154 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 9744138 is about 3121.5601868297. The cubic root of 9744138 is about 213.5901112705.

It can be divided in two parts, 97441 and 38, that added together give a palindrome (97479).

The spelling of 9744138 in words is "nine million, seven hundred forty-four thousand, one hundred thirty-eight".