8478964 has 36 divisors (see below), whose sum is σ = 16547692. Its totient is φ = 3778560.

The previous prime is 8478961. The next prime is 8478989. The reversal of 8478964 is 4698748.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4235364 + 4243600 = 2058^2 + 2060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87364 + ... + 87460.

Almost surely, 2^8478964 is an apocalyptic number.

It is an amenable number.

8478964 is a deficient number, since it is larger than the sum of its proper divisors (8068728).

8478964 is a wasteful number, since it uses less digits than its factorization.

8478964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 153 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 8478964 is about 2911.8660683486. The cubic root of 8478964 is about 203.9142597525.

The spelling of 8478964 in words is "eight million, four hundred seventy-eight thousand, nine hundred sixty-four".