9389906 has 8 divisors (see below), whose sum is σ = 14111820. Its totient is φ = 4685968.

The previous prime is 9389827. The next prime is 9389927. The reversal of 9389906 is 6099839.

9389906 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 7789681 + 1600225 = 2791^2 + 1265^2 .

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

It is an Ulam number.

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, 3101 + ... + 5328.

Almost surely, 2^9389906 is an apocalyptic number.

9389906 is a deficient number, since it is larger than the sum of its proper divisors (4721914).

9389906 is a wasteful number, since it uses less digits than its factorization.

9389906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9389906 is about 3064.2953513002. The cubic root of 9389906 is about 210.9698601035.

The spelling of 9389906 in words is "nine million, three hundred eighty-nine thousand, nine hundred six".