9978248 has 16 divisors (see below), whose sum is σ = 21382080. Its totient is φ = 4276368.

The previous prime is 9978229. The next prime is 9978277. The reversal of 9978248 is 8428799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89036 + ... + 89147.

It is an arithmetic number, because the mean of its divisors is an integer number (1336380).

Almost surely, 2^9978248 is an apocalyptic number.

It is an amenable number.

9978248 is an abundant number, since it is smaller than the sum of its proper divisors (11403832).

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

9978248 is a wasteful number, since it uses less digits than its factorization.

9978248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178196 (or 178192 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 9978248 is about 3158.8364946607. The cubic root of 9978248 is about 215.2871447249.

The spelling of 9978248 in words is "nine million, nine hundred seventy-eight thousand, two hundred forty-eight".