8474287 has 4 divisors (see below), whose sum is σ = 8492176. Its totient is φ = 8456400.

The previous prime is 8474273. The next prime is 8474299. The reversal of 8474287 is 7824748.

It is a happy number.

8474287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8474287 - 2⁷ = 8474159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474237) 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, 8214 + ... + 9187.

It is an arithmetic number, because the mean of its divisors is an integer number (2123044).

Almost surely, 2^8474287 is an apocalyptic number.

8474287 is a deficient number, since it is larger than the sum of its proper divisors (17889).

8474287 is a wasteful number, since it uses less digits than its factorization.

8474287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888.

The product of its digits is 100352, while the sum is 40.

The square root of 8474287 is about 2911.0628643161. The cubic root of 8474287 is about 203.8767597937.

The spelling of 8474287 in words is "eight million, four hundred seventy-four thousand, two hundred eighty-seven".