4063809 has 4 divisors (see below), whose sum is σ = 5418416. Its totient is φ = 2709204.

The previous prime is 4063793. The next prime is 4063841. The reversal of 4063809 is 9083604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4063809 - 2⁴ = 4063793 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4063859) 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, 677299 + ... + 677304.

It is an arithmetic number, because the mean of its divisors is an integer number (1354604).

Almost surely, 2^4063809 is an apocalyptic number.

It is an amenable number.

4063809 is a deficient number, since it is larger than the sum of its proper divisors (1354607).

4063809 is a wasteful number, since it uses less digits than its factorization.

4063809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354606.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4063809 is about 2015.8891338563. The cubic root of 4063809 is about 159.5797434734.

The spelling of 4063809 in words is "four million, sixty-three thousand, eight hundred nine".