9329978 has 8 divisors (see below), whose sum is σ = 15994272. Its totient is φ = 3998556.

The previous prime is 9329963. The next prime is 9329981. The reversal of 9329978 is 8799239.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 333200 + ... + 333227.

It is an arithmetic number, because the mean of its divisors is an integer number (1999284).

Almost surely, 2^9329978 is an apocalyptic number.

9329978 is a deficient number, since it is larger than the sum of its proper divisors (6664294).

9329978 is a wasteful number, since it uses less digits than its factorization.

9329978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666436.

The product of its digits is 244944, while the sum is 47.

The square root of 9329978 is about 3054.5012686198. The cubic root of 9329978 is about 210.5200865503.

The spelling of 9329978 in words is "nine million, three hundred twenty-nine thousand, nine hundred seventy-eight".