479881 has 2 divisors, whose sum is σ = 479882. Its totient is φ = 479880.

The previous prime is 479879. The next prime is 479891. The reversal of 479881 is 188974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 95481 = 620^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 479881 - 2¹ = 479879 is a prime.

It is a super-2 number, since 2×479881² = 460571548322, which contains 22 as substring.

Together with 479879, it forms a pair of twin primes.

It is equal to p₃₉₉₉₇ and since 479881 and 39997 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479881.

It is not a weakly prime, because it can be changed into another prime (479821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239940 + 239941.

It is an arithmetic number, because the mean of its divisors is an integer number (239941).

2⁴⁷⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

479881 is a deficient number, since it is larger than the sum of its proper divisors (1).

479881 is an equidigital number, since it uses as much as digits as its factorization.

479881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The square root of 479881 is about 692.7344368515. The cubic root of 479881 is about 78.2908818824.

The spelling of 479881 in words is "four hundred seventy-nine thousand, eight hundred eighty-one".