9678479 has 4 divisors (see below), whose sum is σ = 9990720. Its totient is φ = 9366240.

The previous prime is 9678439. The next prime is 9678499. The reversal of 9678479 is 9748769.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9748769 = 17 ⋅573457.

It is a cyclic number.

It is not a de Polignac number, because 9678479 - 2¹² = 9674383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678439) 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, 156074 + ... + 156135.

It is an arithmetic number, because the mean of its divisors is an integer number (2497680).

Almost surely, 2^9678479 is an apocalyptic number.

9678479 is a deficient number, since it is larger than the sum of its proper divisors (312241).

9678479 is a wasteful number, since it uses less digits than its factorization.

9678479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312240.

The product of its digits is 762048, while the sum is 50.

The square root of 9678479 is about 3111.0253936604. The cubic root of 9678479 is about 213.1092843650.

The spelling of 9678479 in words is "nine million, six hundred seventy-eight thousand, four hundred seventy-nine".