9561478 has 4 divisors (see below), whose sum is σ = 14342220. Its totient is φ = 4780738.

The previous prime is 9561443. The next prime is 9561511. The reversal of 9561478 is 8741659.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8741659 = 31 ⋅281989.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9561478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390368 + ... + 2390371.

It is an arithmetic number, because the mean of its divisors is an integer number (3585555).

Almost surely, 2^9561478 is an apocalyptic number.

9561478 is a deficient number, since it is larger than the sum of its proper divisors (4780742).

9561478 is a wasteful number, since it uses less digits than its factorization.

9561478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780741.

The product of its digits is 60480, while the sum is 40.

The square root of 9561478 is about 3092.1639671919. The cubic root of 9561478 is about 212.2470568214.

The spelling of 9561478 in words is "nine million, five hundred sixty-one thousand, four hundred seventy-eight".