4469809 has 4 divisors (see below), whose sum is σ = 4494960. Its totient is φ = 4444660.

The previous prime is 4469767. The next prime is 4469813. The reversal of 4469809 is 9089644.

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 4469809 - 2⁷ = 4469681 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4469849) 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, 12307 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (1123740).

Almost surely, 2^4469809 is an apocalyptic number.

It is an amenable number.

4469809 is a deficient number, since it is larger than the sum of its proper divisors (25151).

4469809 is a wasteful number, since it uses less digits than its factorization.

4469809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4469809 is about 2114.1922807540. The cubic root of 4469809 is about 164.7263170349.

The spelling of 4469809 in words is "four million, four hundred sixty-nine thousand, eight hundred nine".