5820815 has 32 divisors (see below), whose sum is σ = 9386496. Its totient is φ = 3346560.

The previous prime is 5820797. The next prime is 5820823. The reversal of 5820815 is 5180285.

It is not a de Polignac number, because 5820815 - 2⁶ = 5820751 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4424 + ... + 5586.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

Almost surely, 2^5820815 is an apocalyptic number.

5820815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5820815 is a deficient number, since it is larger than the sum of its proper divisors (3565681).

5820815 is a wasteful number, since it uses less digits than its factorization.

5820815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 5820815 is about 2412.6365246344. The cubic root of 5820815 is about 179.8848543408.

The spelling of 5820815 in words is "five million, eight hundred twenty thousand, eight hundred fifteen".