8478641 has 2 divisors, whose sum is σ = 8478642. Its totient is φ = 8478640.

The previous prime is 8478629. The next prime is 8478653. The reversal of 8478641 is 1468748.

8478641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (8478629) and next prime (8478653).

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 616225 = 2804^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 8478641 - 2¹⁰ = 8477617 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8478595 and 8478604.

It is not a weakly prime, because it can be changed into another prime (8478601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239320 + 4239321.

It is an arithmetic number, because the mean of its divisors is an integer number (4239321).

Almost surely, 2^8478641 is an apocalyptic number.

It is an amenable number.

8478641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478641 is an equidigital number, since it uses as much as digits as its factorization.

8478641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The square root of 8478641 is about 2911.8106051047. The cubic root of 8478641 is about 203.9116703975.

It can be divided in two parts, 8478 and 641, that added together give a palindrome (9119).

The spelling of 8478641 in words is "eight million, four hundred seventy-eight thousand, six hundred forty-one".