4247841 has 32 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 2386944.

The previous prime is 4247827. The next prime is 4247863. The reversal of 4247841 is 1487424.

It is not a de Polignac number, because 4247841 - 2⁵ = 4247809 is a prime.

It is a super-2 number, since 2×4247841² = 36088306322562, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4247799 and 4247808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28435 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

Almost surely, 2^4247841 is an apocalyptic number.

It is an amenable number.

4247841 is a deficient number, since it is larger than the sum of its proper divisors (2404959).

4247841 is a wasteful number, since it uses less digits than its factorization.

4247841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 7168, while the sum is 30.

The square root of 4247841 is about 2061.0291118759. The cubic root of 4247841 is about 161.9531567047.

The spelling of 4247841 in words is "four million, two hundred forty-seven thousand, eight hundred forty-one".