8478399 has 8 divisors (see below), whose sum is σ = 11318832. Its totient is φ = 5645120.

The previous prime is 8478391. The next prime is 8478433. The reversal of 8478399 is 9938748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8478399 - 2³ = 8478391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (1414854).

Almost surely, 2^8478399 is an apocalyptic number.

8478399 is a deficient number, since it is larger than the sum of its proper divisors (2840433).

8478399 is a wasteful number, since it uses less digits than its factorization.

8478399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577.

The product of its digits is 435456, while the sum is 48.

The square root of 8478399 is about 2911.7690499076. The cubic root of 8478399 is about 203.9097303424.

The spelling of 8478399 in words is "eight million, four hundred seventy-eight thousand, three hundred ninety-nine".