9390938 has 4 divisors (see below), whose sum is σ = 14086410. Its totient is φ = 4695468.

The previous prime is 9390937. The next prime is 9390949. The reversal of 9390938 is 8390939.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5257849 + 4133089 = 2293^2 + 2033^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9390895 and 9390904.

It is not an unprimeable number, because it can be changed into a prime (9390937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347733 + ... + 2347736.

Almost surely, 2^9390938 is an apocalyptic number.

9390938 is a deficient number, since it is larger than the sum of its proper divisors (4695472).

9390938 is a wasteful number, since it uses less digits than its factorization.

9390938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695471.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 9390938 is about 3064.4637377525. The cubic root of 9390938 is about 210.9775887190.

Subtracting from 9390938 its reverse (8390939), we obtain a palindrome (999999).

The spelling of 9390938 in words is "nine million, three hundred ninety thousand, nine hundred thirty-eight".