5820820 has 12 divisors (see below), whose sum is σ = 12223764. Its totient is φ = 2328320.

The previous prime is 5820797. The next prime is 5820823. The reversal of 5820820 is 280285.

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 2566404 = 1804^2 + 1602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5820823) 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, 145501 + ... + 145540.

It is an arithmetic number, because the mean of its divisors is an integer number (1018647).

Almost surely, 2^5820820 is an apocalyptic number.

It is an amenable number.

5820820 is an abundant number, since it is smaller than the sum of its proper divisors (6402944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5820820 is a wasteful number, since it uses less digits than its factorization.

5820820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291050 (or 291048 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 5820820 is about 2412.6375608450. The cubic root of 5820820 is about 179.8849058470.

The spelling of 5820820 in words is "five million, eight hundred twenty thousand, eight hundred twenty".