9876378 has 16 divisors (see below), whose sum is σ = 19816416. Its totient is φ = 3281520.

The previous prime is 9876359. The next prime is 9876379. The reversal of 9876378 is 8736789.

It is not an unprimeable number, because it can be changed into a prime (9876379) 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 7 ways as a sum of consecutive naturals, for example, 501 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (1238526).

Almost surely, 2^9876378 is an apocalyptic number.

9876378 is an abundant number, since it is smaller than the sum of its proper divisors (9940038).

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

9876378 is a wasteful number, since it uses less digits than its factorization.

9876378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its digits is 508032, while the sum is 48.

The square root of 9876378 is about 3142.6705204332. The cubic root of 9876378 is about 214.5520002595.

The spelling of 9876378 in words is "nine million, eight hundred seventy-six thousand, three hundred seventy-eight".