479861 has 2 divisors, whose sum is σ = 479862. Its totient is φ = 479860.

The previous prime is 479839. The next prime is 479879. The reversal of 479861 is 168974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442225 + 37636 = 665^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 479861 - 2⁶ = 479797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₃₉₉₉₅ and since 479861 and 39995 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479861.

It is not a weakly prime, because it can be changed into another prime (479821) 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 as a sum of consecutive naturals, namely, 239930 + 239931.

It is an arithmetic number, because the mean of its divisors is an integer number (239931).

2⁴⁷⁹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

479861 is a deficient number, since it is larger than the sum of its proper divisors (1).

479861 is an equidigital number, since it uses as much as digits as its factorization.

479861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 479861 is about 692.7200011549. The cubic root of 479861 is about 78.2897942242.

The spelling of 479861 in words is "four hundred seventy-nine thousand, eight hundred sixty-one".