5820009 has 16 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 3534336.

The previous prime is 5819999. The next prime is 5820011. The reversal of 5820009 is 9000285.

It is not a de Polignac number, because 5820009 - 2⁷ = 5819881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5820049) 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, 2137 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^5820009 is an apocalyptic number.

It is an amenable number.

5820009 is a deficient number, since it is larger than the sum of its proper divisors (2647191).

5820009 is a wasteful number, since it uses less digits than its factorization.

5820009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5820009 is about 2412.4694816723. The cubic root of 5820009 is about 179.8765511573.

The spelling of 5820009 in words is "five million, eight hundred twenty thousand, nine".