4064809 has 4 divisors (see below), whose sum is σ = 4645504. Its totient is φ = 3484116.

The previous prime is 4064807. The next prime is 4064831. The reversal of 4064809 is 9084604.

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 a cyclic number.

It is not a de Polignac number, because 4064809 - 2¹ = 4064807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4064807) 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, 290337 + ... + 290350.

It is an arithmetic number, because the mean of its divisors is an integer number (1161376).

Almost surely, 2^4064809 is an apocalyptic number.

It is an amenable number.

4064809 is a deficient number, since it is larger than the sum of its proper divisors (580695).

4064809 is an equidigital number, since it uses as much as digits as its factorization.

4064809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580694.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4064809 is about 2016.1371481127. The cubic root of 4064809 is about 159.5928319048.

The spelling of 4064809 in words is "four million, sixty-four thousand, eight hundred nine".