8245447 has 4 divisors (see below), whose sum is σ = 9423376. Its totient is φ = 7067520.

The previous prime is 8245441. The next prime is 8245451. The reversal of 8245447 is 7445428.

It is a happy number.

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 8245447 - 2⁷ = 8245319 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 (8245441) 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, 588954 + ... + 588967.

It is an arithmetic number, because the mean of its divisors is an integer number (2355844).

Almost surely, 2^8245447 is an apocalyptic number.

8245447 is a deficient number, since it is larger than the sum of its proper divisors (1177929).

8245447 is a wasteful number, since it uses less digits than its factorization.

8245447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177928.

The product of its digits is 35840, while the sum is 34.

The square root of 8245447 is about 2871.4886383199. The cubic root of 8245447 is about 202.0248229469.

The spelling of 8245447 in words is "eight million, two hundred forty-five thousand, four hundred forty-seven".