5820409 has 16 divisors (see below), whose sum is σ = 7171200. Its totient is φ = 4610304.

The previous prime is 5820389. The next prime is 5820421. The reversal of 5820409 is 9040285.

It is a happy number.

5820409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5820409 - 2⁵ = 5820377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5820469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607 + ... + 7435.

It is an arithmetic number, because the mean of its divisors is an integer number (448200).

Almost surely, 2^5820409 is an apocalyptic number.

5820409 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5820409 is a deficient number, since it is larger than the sum of its proper divisors (1350791).

5820409 is a wasteful number, since it uses less digits than its factorization.

5820409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5820409 is about 2412.5523828510. The cubic root of 5820409 is about 179.8806719397.

The spelling of 5820409 in words is "five million, eight hundred twenty thousand, four hundred nine".