9878064 has 40 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 2822208.

The previous prime is 9878059. The next prime is 9878069. The reversal of 9878064 is 4608789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9878059) and next prime (9878069).

It is a super-2 number, since 2×9878064² = 195152296776192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9878069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14364 + ... + 15035.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^9878064 is an apocalyptic number.

It is an amenable number.

9878064 is an abundant number, since it is smaller than the sum of its proper divisors (19286736).

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

9878064 is a wasteful number, since it uses less digits than its factorization.

9878064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29417 (or 29411 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 9878064 is about 3142.9387521872. The cubic root of 9878064 is about 214.5642083143.

The spelling of 9878064 in words is "nine million, eight hundred seventy-eight thousand, sixty-four".