479999 has 4 divisors (see below), whose sum is σ = 516936. Its totient is φ = 443064.

The previous prime is 479971. The next prime is 480013. The reversal of 479999 is 999974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 479999 - 2¹² = 475903 is a prime.

It is a Duffinian number.

479999 is a modest number, since divided by 999 gives 479 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18449 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (129234).

2⁴⁷⁹⁹⁹⁹ is an apocalyptic number.

479999 is a deficient number, since it is larger than the sum of its proper divisors (36937).

479999 is a wasteful number, since it uses less digits than its factorization.

479999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36936.

The product of its digits is 183708, while the sum is 47.

The square root of 479999 is about 692.8196013393. The cubic root of 479999 is about 78.2972984502.

The spelling of 479999 in words is "four hundred seventy-nine thousand, nine hundred ninety-nine".