5812861 has 8 divisors (see below), whose sum is σ = 6213240. Its totient is φ = 5419008.

The previous prime is 5812843. The next prime is 5812867. The reversal of 5812861 is 1682185.

It can be written as a sum of positive squares in 4 ways, for example, as 4202500 + 1610361 = 2050^2 + 1269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5812861 - 2⁷ = 5812733 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 (5812867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (776655).

Almost surely, 2^5812861 is an apocalyptic number.

It is an amenable number.

5812861 is a deficient number, since it is larger than the sum of its proper divisors (400379).

5812861 is a wasteful number, since it uses less digits than its factorization.

5812861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 3840, while the sum is 31.

The square root of 5812861 is about 2410.9875569982. The cubic root of 5812861 is about 179.8028809203.

The spelling of 5812861 in words is "five million, eight hundred twelve thousand, eight hundred sixty-one".