9878466 has 32 divisors (see below), whose sum is σ = 21530880. Its totient is φ = 3003264.

The previous prime is 9878419. The next prime is 9878467. The reversal of 9878466 is 6648789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878467) 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, 6231 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (672840).

Almost surely, 2^9878466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9878466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10765440).

9878466 is an abundant number, since it is smaller than the sum of its proper divisors (11652414).

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

9878466 is a wasteful number, since it uses less digits than its factorization.

9878466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

The product of its digits is 580608, while the sum is 48.

The square root of 9878466 is about 3143.0027044214. The cubic root of 9878466 is about 214.5671189265.

It can be divided in two parts, 987 and 8466, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 9878466 in words is "nine million, eight hundred seventy-eight thousand, four hundred sixty-six".