499279 has 4 divisors (see below), whose sum is σ = 544680. Its totient is φ = 453880.

The previous prime is 499277. The next prime is 499283. The reversal of 499279 is 972994.

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 499279 - 2¹ = 499277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499277) 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, 22684 + ... + 22705.

It is an arithmetic number, because the mean of its divisors is an integer number (136170).

2⁴⁹⁹²⁷⁹ is an apocalyptic number.

499279 is a deficient number, since it is larger than the sum of its proper divisors (45401).

499279 is a wasteful number, since it uses less digits than its factorization.

499279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45400.

The product of its digits is 40824, while the sum is 40.

The square root of 499279 is about 706.5967732731. The cubic root of 499279 is about 79.3318837074.

The spelling of 499279 in words is "four hundred ninety-nine thousand, two hundred seventy-nine".