4247205 has 16 divisors (see below), whose sum is σ = 6864000. Its totient is φ = 2242368.

The previous prime is 4247167. The next prime is 4247209. The reversal of 4247205 is 5027424.

It is not a de Polignac number, because 4247205 - 2¹⁰ = 4246181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (429000).

Almost surely, 2^4247205 is an apocalyptic number.

It is an amenable number.

4247205 is a deficient number, since it is larger than the sum of its proper divisors (2616795).

4247205 is a wasteful number, since it uses less digits than its factorization.

4247205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4247205 is about 2060.8748142476. The cubic root of 4247205 is about 161.9450735908.

The spelling of 4247205 in words is "four million, two hundred forty-seven thousand, two hundred five".