479819 has 4 divisors (see below), whose sum is σ = 481944. Its totient is φ = 477696.

The previous prime is 479813. The next prime is 479821. The reversal of 479819 is 918974.

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 479819 - 2¹⁶ = 414283 is a prime.

It is a super-2 number, since 2×479819² = 460452545522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479813) 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, 677 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (120486).

2⁴⁷⁹⁸¹⁹ is an apocalyptic number.

479819 is a deficient number, since it is larger than the sum of its proper divisors (2125).

479819 is a wasteful number, since it uses less digits than its factorization.

479819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 18144, while the sum is 38.

The square root of 479819 is about 692.6896852126. The cubic root of 479819 is about 78.2875100438.

The spelling of 479819 in words is "four hundred seventy-nine thousand, eight hundred nineteen".