479993 has 4 divisors (see below), whose sum is σ = 481380. Its totient is φ = 478608.

The previous prime is 479971. The next prime is 480013. The reversal of 479993 is 399974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 310249 + 169744 = 557^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 479993 - 2¹² = 475897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479993.

It is not an unprimeable number, because it can be changed into a prime (479903) 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, 323 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (120345).

2⁴⁷⁹⁹⁹³ is an apocalyptic number.

It is an amenable number.

479993 is a deficient number, since it is larger than the sum of its proper divisors (1387).

479993 is an equidigital number, since it uses as much as digits as its factorization.

479993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 61236, while the sum is 41.

The square root of 479993 is about 692.8152711943. The cubic root of 479993 is about 78.2969722094.

It can be divided in two parts, 4 and 79993, that added together give a palindrome (79997).

The spelling of 479993 in words is "four hundred seventy-nine thousand, nine hundred ninety-three".