5779861 has 4 divisors (see below), whose sum is σ = 5798412. Its totient is φ = 5761312.

The previous prime is 5779849. The next prime is 5779867. The reversal of 5779861 is 1689775.

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 1739761 + 4040100 = 1319^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 5779861 - 2⁹ = 5779349 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 (5779867) 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, 8800 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (1449603).

Almost surely, 2^5779861 is an apocalyptic number.

It is an amenable number.

5779861 is a deficient number, since it is larger than the sum of its proper divisors (18551).

5779861 is a wasteful number, since it uses less digits than its factorization.

5779861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18550.

The product of its digits is 105840, while the sum is 43.

The square root of 5779861 is about 2404.1341476715. The cubic root of 5779861 is about 179.4619840194.

The spelling of 5779861 in words is "five million, seven hundred seventy-nine thousand, eight hundred sixty-one".