479217 has 4 divisors (see below), whose sum is σ = 638960. Its totient is φ = 319476.

The previous prime is 479209. The next prime is 479221. The reversal of 479217 is 712974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 479217 - 2³ = 479209 is a prime.

It is a super-3 number, since 3×479217³ = 330155018304333939, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479217.

It is not an unprimeable number, because it can be changed into a prime (479267) 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 3 ways as a sum of consecutive naturals, for example, 79867 + ... + 79872.

It is an arithmetic number, because the mean of its divisors is an integer number (159740).

2⁴⁷⁹²¹⁷ is an apocalyptic number.

It is an amenable number.

479217 is a deficient number, since it is larger than the sum of its proper divisors (159743).

479217 is a wasteful number, since it uses less digits than its factorization.

479217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159742.

The product of its digits is 3528, while the sum is 30.

The square root of 479217 is about 692.2550108161. The cubic root of 479217 is about 78.2547554671.

It can be divided in two parts, 479 and 217, that added together give a palindrome (696).

The spelling of 479217 in words is "four hundred seventy-nine thousand, two hundred seventeen".