8478461 has 4 divisors (see below), whose sum is σ = 8977212. Its totient is φ = 7979712.

The previous prime is 8478433. The next prime is 8478493. The reversal of 8478461 is 1648748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 1020100 = 2731^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 8478461 - 2¹⁸ = 8216317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478061) 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, 249350 + ... + 249383.

It is an arithmetic number, because the mean of its divisors is an integer number (2244303).

Almost surely, 2^8478461 is an apocalyptic number.

It is an amenable number.

8478461 is a deficient number, since it is larger than the sum of its proper divisors (498751).

8478461 is a wasteful number, since it uses less digits than its factorization.

8478461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498750.

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

The square root of 8478461 is about 2911.7796963369. The cubic root of 8478461 is about 203.9102273848.

The spelling of 8478461 in words is "eight million, four hundred seventy-eight thousand, four hundred sixty-one".