499443 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 268416.

The previous prime is 499439. The next prime is 499459. The reversal of 499443 is 344994.

It is a happy number.

It is not a de Polignac number, because 499443 - 2² = 499439 is a prime.

499443 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499443.

It is not an unprimeable number, because it can be changed into a prime (499403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁴⁹⁹⁴⁴³ is an apocalyptic number.

499443 is a deficient number, since it is larger than the sum of its proper divisors (306957).

499443 is a wasteful number, since it uses less digits than its factorization.

499443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 15552, while the sum is 33.

The square root of 499443 is about 706.7128129587. The cubic root of 499443 is about 79.3405689012.

Subtracting from 499443 its reverse (344994), we obtain a square (154449 = 393²).

The spelling of 499443 in words is "four hundred ninety-nine thousand, four hundred forty-three".