9938312 has 8 divisors (see below), whose sum is σ = 18634350. Its totient is φ = 4969152.

The previous prime is 9938309. The next prime is 9938347. The reversal of 9938312 is 2138399.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 3147076 = 2606^2 + 1774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 621137 + ... + 621152.

Almost surely, 2^9938312 is an apocalyptic number.

It is an amenable number.

9938312 is a deficient number, since it is larger than the sum of its proper divisors (8696038).

9938312 is a wasteful number, since it uses less digits than its factorization.

9938312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242295 (or 1242291 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 9938312 is about 3152.5088421763. The cubic root of 9938312 is about 214.9995456994. Note that the first 3 decimals are identical.

The spelling of 9938312 in words is "nine million, nine hundred thirty-eight thousand, three hundred twelve".