9978330 has 16 divisors (see below), whose sum is σ = 23948064. Its totient is φ = 2660880.

The previous prime is 9978323. The next prime is 9978341. The reversal of 9978330 is 338799.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166276 + ... + 166335.

It is an arithmetic number, because the mean of its divisors is an integer number (1496754).

Almost surely, 2^9978330 is an apocalyptic number.

9978330 is an abundant number, since it is smaller than the sum of its proper divisors (13969734).

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

9978330 is a wasteful number, since it uses less digits than its factorization.

9978330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332621.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 9978330 is about 3158.8494740965. The cubic root of 9978330 is about 215.2877344576.

The spelling of 9978330 in words is "nine million, nine hundred seventy-eight thousand, three hundred thirty".