4080643 has 4 divisors (see below), whose sum is σ = 4663600. Its totient is φ = 3497688.

The previous prime is 4080613. The next prime is 4080647. The reversal of 4080643 is 3460804.

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 4080643 - 2²¹ = 1983491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4080647) 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, 291468 + ... + 291481.

It is an arithmetic number, because the mean of its divisors is an integer number (1165900).

Almost surely, 2^4080643 is an apocalyptic number.

4080643 is a deficient number, since it is larger than the sum of its proper divisors (582957).

4080643 is an equidigital number, since it uses as much as digits as its factorization.

4080643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582956.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4080643 is about 2020.0601476194. The cubic root of 4080643 is about 159.7997886383.

The spelling of 4080643 in words is "four million, eighty thousand, six hundred forty-three".