4286643 has 8 divisors (see below), whose sum is σ = 5768400. Its totient is φ = 2831328.

The previous prime is 4286629. The next prime is 4286657. The reversal of 4286643 is 3466824.

It is an interprime number because it is at equal distance from previous prime (4286629) and next prime (4286657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4286643 - 2⁹ = 4286131 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 2¹⁹ + 8⁷ + 6⁵ + 6⁶ + 4⁷ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (4286663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6228 + ... + 6881.

It is an arithmetic number, because the mean of its divisors is an integer number (721050).

Almost surely, 2^4286643 is an apocalyptic number.

4286643 is a deficient number, since it is larger than the sum of its proper divisors (1481757).

4286643 is a wasteful number, since it uses less digits than its factorization.

4286643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221.

The product of its digits is 27648, while the sum is 33.

The square root of 4286643 is about 2070.4209716867. The cubic root of 4286643 is about 162.4447843963. Note that the first 3 decimals are identical.

The spelling of 4286643 in words is "four million, two hundred eighty-six thousand, six hundred forty-three".