4412809 has 4 divisors (see below), whose sum is σ = 4672404. Its totient is φ = 4153216.

The previous prime is 4412797. The next prime is 4412813. The reversal of 4412809 is 9082144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3341584 + 1071225 = 1828^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 4412809 - 2¹¹ = 4410761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4412839) 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, 129772 + ... + 129805.

It is an arithmetic number, because the mean of its divisors is an integer number (1168101).

Almost surely, 2^4412809 is an apocalyptic number.

It is an amenable number.

4412809 is a deficient number, since it is larger than the sum of its proper divisors (259595).

4412809 is a wasteful number, since it uses less digits than its factorization.

4412809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259594.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4412809 is about 2100.6687030562. The cubic root of 4412809 is about 164.0231104652.

It can be divided in two parts, 441 and 2809, that multiplied together give a square (1238769 = 1113²).

The spelling of 4412809 in words is "four million, four hundred twelve thousand, eight hundred nine".