9878274 has 80 divisors (see below), whose sum is σ = 26205696. Its totient is φ = 2721600.

The previous prime is 9878257. The next prime is 9878291. The reversal of 9878274 is 4728789.

It is an interprime number because it is at equal distance from previous prime (9878257) and next prime (9878291).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35014 + ... + 35294.

Almost surely, 2^9878274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9878274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13102848).

9878274 is an abundant number, since it is smaller than the sum of its proper divisors (16327422).

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

9878274 is a wasteful number, since it uses less digits than its factorization.

9878274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 324 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9878274 is about 3142.9721602330. The cubic root of 9878274 is about 214.5657287932.

It can be divided in two parts, 987 and 8274, that added together give a cube (9261 = 21³).

The spelling of 9878274 in words is "nine million, eight hundred seventy-eight thousand, two hundred seventy-four".