499243 has 4 divisors (see below), whose sum is σ = 504288. Its totient is φ = 494200.

The previous prime is 499229. The next prime is 499253. The reversal of 499243 is 342994.

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 499243 - 2⁵ = 499211 is a prime.

It is a Duffinian number.

499243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (499253) 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, 2371 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (126072).

2⁴⁹⁹²⁴³ is an apocalyptic number.

499243 is a deficient number, since it is larger than the sum of its proper divisors (5045).

499243 is a wasteful number, since it uses less digits than its factorization.

499243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044.

The product of its digits is 7776, while the sum is 31.

The square root of 499243 is about 706.5712985963. The cubic root of 499243 is about 79.3299769469.

The spelling of 499243 in words is "four hundred ninety-nine thousand, two hundred forty-three".