8478903 has 24 divisors (see below), whose sum is σ = 12440304. Its totient is φ = 5118720.

The previous prime is 8478893. The next prime is 8478907. The reversal of 8478903 is 3098748.

It is not a de Polignac number, because 8478903 - 2⁹ = 8478391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48925 + ... + 49097.

It is an arithmetic number, because the mean of its divisors is an integer number (518346).

Almost surely, 2^8478903 is an apocalyptic number.

8478903 is a deficient number, since it is larger than the sum of its proper divisors (3961401).

8478903 is a wasteful number, since it uses less digits than its factorization.

8478903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 8478903 is about 2911.8555939469. The cubic root of 8478903 is about 203.9137707462.

It can be divided in two parts, 84 and 78903, that added together give a palindrome (78987).

The spelling of 8478903 in words is "eight million, four hundred seventy-eight thousand, nine hundred three".