9974138 has 8 divisors (see below), whose sum is σ = 15841332. Its totient is φ = 4693696.

The previous prime is 9974137. The next prime is 9974147. The reversal of 9974138 is 8314799.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7745089 + 2229049 = 2783^2 + 1493^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9974095 and 9974104.

It is not an unprimeable number, because it can be changed into a prime (9974131) 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 3 ways as a sum of consecutive naturals, for example, 146645 + ... + 146712.

Almost surely, 2^9974138 is an apocalyptic number.

9974138 is a deficient number, since it is larger than the sum of its proper divisors (5867194).

9974138 is a wasteful number, since it uses less digits than its factorization.

9974138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293376.

The product of its digits is 54432, while the sum is 41.

The square root of 9974138 is about 3158.1858716675. The cubic root of 9974138 is about 215.2575820308.

The spelling of 9974138 in words is "nine million, nine hundred seventy-four thousand, one hundred thirty-eight".