9378906 has 16 divisors (see below), whose sum is σ = 18788448. Its totient is φ = 3121200.

The previous prime is 9378899. The next prime is 9378911. The reversal of 9378906 is 6098739.

It is a happy number.

9378906 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (1174278).

Almost surely, 2^9378906 is an apocalyptic number.

It is a pronic number, being equal to 3062×3063.

9378906 is an abundant number, since it is smaller than the sum of its proper divisors (9409542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9378906 is a wasteful number, since it uses less digits than its factorization.

9378906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9378906 is about 3062.4999591837. The cubic root of 9378906 is about 210.8874462416.

The spelling of 9378906 in words is "nine million, three hundred seventy-eight thousand, nine hundred six".