9956978 has 8 divisors (see below), whose sum is σ = 14949120. Its totient is φ = 4973940.

The previous prime is 9956977. The next prime is 9956993. The reversal of 9956978 is 8796599.

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

It is not an unprimeable number, because it can be changed into a prime (9956977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (1868640).

Almost surely, 2^9956978 is an apocalyptic number.

9956978 is a deficient number, since it is larger than the sum of its proper divisors (4992142).

9956978 is a wasteful number, since it uses less digits than its factorization.

9956978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its digits is 1224720, while the sum is 53.

The square root of 9956978 is about 3155.4679526181. The cubic root of 9956978 is about 215.1340645740.

The spelling of 9956978 in words is "nine million, nine hundred fifty-six thousand, nine hundred seventy-eight".