8478897 has 8 divisors (see below), whose sum is σ = 12920256. Its totient is φ = 4845072.

The previous prime is 8478893. The next prime is 8478907. The reversal of 8478897 is 7988748.

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

It is not a de Polignac number, because 8478897 - 2² = 8478893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478893) 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, 201858 + ... + 201899.

It is an arithmetic number, because the mean of its divisors is an integer number (1615032).

Almost surely, 2^8478897 is an apocalyptic number.

It is an amenable number.

8478897 is a deficient number, since it is larger than the sum of its proper divisors (4441359).

8478897 is a wasteful number, since it uses less digits than its factorization.

8478897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403767.

The product of its digits is 903168, while the sum is 51.

The square root of 8478897 is about 2911.8545636759. The cubic root of 8478897 is about 203.9137226471.

The spelling of 8478897 in words is "eight million, four hundred seventy-eight thousand, eight hundred ninety-seven".