9378645 has 16 divisors (see below), whose sum is σ = 15888960. Its totient is φ = 4707584.

The previous prime is 9378631. The next prime is 9378653. The reversal of 9378645 is 5468739.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9378645 - 2⁵ = 9378613 is a prime.

9378645 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9378597 and 9378606.

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 15 ways as a sum of consecutive naturals, for example, 18135 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (993060).

Almost surely, 2^9378645 is an apocalyptic number.

It is an amenable number.

9378645 is a deficient number, since it is larger than the sum of its proper divisors (6510315).

9378645 is a wasteful number, since it uses less digits than its factorization.

9378645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36804.

The product of its digits is 181440, while the sum is 42.

The square root of 9378645 is about 3062.4573466417. The cubic root of 9378645 is about 210.8854900030.

The spelling of 9378645 in words is "nine million, three hundred seventy-eight thousand, six hundred forty-five".