4826809 has 7 divisors (see below), whose sum is σ = 5229043. Its totient is φ = 4455516.

The previous prime is 4826797. The next prime is 4826813. The reversal of 4826809 is 9086284.

The square root of 4826809 is 2197.

The cubic root of 4826809 is 169.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 4141225 + 685584 = 2035^2 + 828^2 .

It is not a de Polignac number, because 4826809 - 2⁵ = 4826777 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4826309) by changing a digit.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 371287 + ... + 371299.

Almost surely, 2^4826809 is an apocalyptic number.

4826809 is the 2197-th square number.

4826809 is the 1099-th centered octagonal number.

It is an amenable number.

4826809 is a deficient number, since it is larger than the sum of its proper divisors (402234).

4826809 is an frugal number, since it uses more digits than its factorization.

4826809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 13 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 4826809 in words is "four million, eight hundred twenty-six thousand, eight hundred nine".