9938506 has 8 divisors (see below), whose sum is σ = 15784740. Its totient is φ = 4676928.

The previous prime is 9938471. The next prime is 9938519. The reversal of 9938506 is 6058399.

9938506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8462281 + 1476225 = 2909^2 + 1215^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146121 + ... + 146188.

Almost surely, 2^9938506 is an apocalyptic number.

9938506 is a deficient number, since it is larger than the sum of its proper divisors (5846234).

9938506 is a wasteful number, since it uses less digits than its factorization.

9938506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292328.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9938506 is about 3152.5396111707. The cubic root of 9938506 is about 215.0009446506. Note that the first 3 decimals are identical.

The spelling of 9938506 in words is "nine million, nine hundred thirty-eight thousand, five hundred six".