4247847 has 12 divisors (see below), whose sum is σ = 6402864. Its totient is φ = 2708640.

The previous prime is 4247827. The next prime is 4247863. The reversal of 4247847 is 7487424.

It is not a de Polignac number, because 4247847 - 2¹¹ = 4245799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10054 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (533572).

Almost surely, 2^4247847 is an apocalyptic number.

4247847 is a deficient number, since it is larger than the sum of its proper divisors (2155017).

4247847 is a wasteful number, since it uses less digits than its factorization.

4247847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550 (or 20547 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4247847 is about 2061.0305674589. The cubic root of 4247847 is about 161.9532329567.

The spelling of 4247847 in words is "four million, two hundred forty-seven thousand, eight hundred forty-seven".