9378780 has 72 divisors (see below), whose sum is σ = 27779472. Its totient is φ = 2363904.

The previous prime is 9378769. The next prime is 9378793. The reversal of 9378780 is 878739.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21444 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (385826).

Almost surely, 2^9378780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9378780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13889736).

9378780 is an abundant number, since it is smaller than the sum of its proper divisors (18400692).

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

9378780 is a wasteful number, since it uses less digits than its factorization.

9378780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 9378780 is about 3062.4793876857. The cubic root of 9378780 is about 210.8865018550.

The spelling of 9378780 in words is "nine million, three hundred seventy-eight thousand, seven hundred eighty".