8978312 has 32 divisors (see below), whose sum is σ = 20373120. Its totient is φ = 3621120.

The previous prime is 8978311. The next prime is 8978323. The reversal of 8978312 is 2138798.

8978312 is nontrivially palindromic in base 16.

8978312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8978312² = 161220172738688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (8978311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (636660).

Almost surely, 2^8978312 is an apocalyptic number.

It is an amenable number.

8978312 is an abundant number, since it is smaller than the sum of its proper divisors (11394808).

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

8978312 is a wasteful number, since it uses less digits than its factorization.

8978312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9457 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 8978312 is about 2996.3831530697. The cubic root of 8978312 is about 207.8411632538.

The spelling of 8978312 in words is "eight million, nine hundred seventy-eight thousand, three hundred twelve".