9378545 has 16 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 6652800.

The previous prime is 9378541. The next prime is 9378547. The reversal of 9378545 is 5458739.

It is not a de Polignac number, because 9378545 - 2² = 9378541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378541) by changing a digit.

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, 176 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^9378545 is an apocalyptic number.

It is an amenable number.

9378545 is a deficient number, since it is larger than the sum of its proper divisors (3201295).

9378545 is a wasteful number, since it uses less digits than its factorization.

9378545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216.

The product of its digits is 151200, while the sum is 41.

The square root of 9378545 is about 3062.4410198402. The cubic root of 9378545 is about 210.8847404766.

The spelling of 9378545 in words is "nine million, three hundred seventy-eight thousand, five hundred forty-five".