4059643 has 4 divisors (see below), whose sum is σ = 4639600. Its totient is φ = 3479688.

The previous prime is 4059637. The next prime is 4059647. The reversal of 4059643 is 3469504.

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 4059643 - 2⁹ = 4059131 is a prime.

4059643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4059647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289968 + ... + 289981.

It is an arithmetic number, because the mean of its divisors is an integer number (1159900).

Almost surely, 2^4059643 is an apocalyptic number.

4059643 is a deficient number, since it is larger than the sum of its proper divisors (579957).

4059643 is an equidigital number, since it uses as much as digits as its factorization.

4059643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579956.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4059643 is about 2014.8555779509. The cubic root of 4059643 is about 159.5251939514.

The spelling of 4059643 in words is "four million, fifty-nine thousand, six hundred forty-three".