4208643 has 6 divisors (see below), whose sum is σ = 6079164. Its totient is φ = 2805756.

The previous prime is 4208641. The next prime is 4208657. The reversal of 4208643 is 3468024.

It is not a de Polignac number, because 4208643 - 2¹ = 4208641 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2¹³ + 0 + 8³ + 6⁴ + 4¹¹ + 3⁵ .

It is not an unprimeable number, because it can be changed into a prime (4208641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233805 + ... + 233822.

It is an arithmetic number, because the mean of its divisors is an integer number (1013194).

Almost surely, 2^4208643 is an apocalyptic number.

4208643 is a deficient number, since it is larger than the sum of its proper divisors (1870521).

4208643 is a wasteful number, since it uses less digits than its factorization.

4208643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467633 (or 467630 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4208643 is about 2051.4977455508. The cubic root of 4208643 is about 161.4534622945.

It can be divided in two parts, 4208 and 643, that added together give a triangular number (4851 = T₉₈).

The spelling of 4208643 in words is "four million, two hundred eight thousand, six hundred forty-three".