5795821 has 4 divisors (see below), whose sum is σ = 5814652. Its totient is φ = 5776992.

The previous prime is 5795819. The next prime is 5795837. The reversal of 5795821 is 1285975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 5225796 = 755^2 + 2286^2 .

It is a cyclic number.

It is not a de Polignac number, because 5795821 - 2¹ = 5795819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5795851) 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, 8946 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (1453663).

Almost surely, 2^5795821 is an apocalyptic number.

It is an amenable number.

5795821 is a deficient number, since it is larger than the sum of its proper divisors (18831).

5795821 is a wasteful number, since it uses less digits than its factorization.

5795821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830.

The product of its digits is 25200, while the sum is 37.

The square root of 5795821 is about 2407.4511417680. The cubic root of 5795821 is about 179.6270157260.

It can be divided in two parts, 579 and 5821, that added together give a square (6400 = 80²).

The spelling of 5795821 in words is "five million, seven hundred ninety-five thousand, eight hundred twenty-one".