4318861 has 8 divisors (see below), whose sum is σ = 4439448. Its totient is φ = 4200000.

The previous prime is 4318849. The next prime is 4318879. The reversal of 4318861 is 1688134.

4318861 = 1469² + 1470².

It can be written as a sum of positive squares in 4 ways, for example, as 1322500 + 2996361 = 1150^2 + 1731^2 .

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

It is a 5-Lehmer number, since φ(4318861) divides (4318861-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 4318861 - 2⁵ = 4318829 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 (4318801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (554931).

Almost surely, 2^4318861 is an apocalyptic number.

4318861 is the 1470-th centered square number.

It is an amenable number.

4318861 is a deficient number, since it is larger than the sum of its proper divisors (120587).

4318861 is a wasteful number, since it uses less digits than its factorization.

4318861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its digits is 4608, while the sum is 31.

The square root of 4318861 is about 2078.1869502044. The cubic root of 4318861 is about 162.8507422113.

The spelling of 4318861 in words is "four million, three hundred eighteen thousand, eight hundred sixty-one".