9378940 has 24 divisors (see below), whose sum is σ = 20553120. Its totient is φ = 3588288.

The previous prime is 9378931. The next prime is 9378953. The reversal of 9378940 is 498739.

It is a junction number, because it is equal to n+sod(n) for n = 9378893 and 9378902.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9735 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (856380).

Almost surely, 2^9378940 is an apocalyptic number.

It is an amenable number.

9378940 is an abundant number, since it is smaller than the sum of its proper divisors (11174180).

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

9378940 is a wasteful number, since it uses less digits than its factorization.

9378940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20421 (or 20419 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9378940 is about 3062.5055101991. The cubic root of 9378940 is about 210.8877010746.

The spelling of 9378940 in words is "nine million, three hundred seventy-eight thousand, nine hundred forty".