4284643 has 4 divisors (see below), whose sum is σ = 4674168. Its totient is φ = 3895120.

The previous prime is 4284641. The next prime is 4284659. The reversal of 4284643 is 3464824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4284643 - 2¹ = 4284641 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁷ + 2¹³ + 8 + 4⁸ + 6³ + 4¹¹ + 3 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4284641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194746 + ... + 194767.

It is an arithmetic number, because the mean of its divisors is an integer number (1168542).

Almost surely, 2^4284643 is an apocalyptic number.

4284643 is a deficient number, since it is larger than the sum of its proper divisors (389525).

4284643 is a wasteful number, since it uses less digits than its factorization.

4284643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389524.

The product of its digits is 18432, while the sum is 31.

The square root of 4284643 is about 2069.9379217745. The cubic root of 4284643 is about 162.4195167522.

The spelling of 4284643 in words is "four million, two hundred eighty-four thousand, six hundred forty-three".