499769 has 4 divisors (see below), whose sum is σ = 506880. Its totient is φ = 492660.

The previous prime is 499747. The next prime is 499781. The reversal of 499769 is 967994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499769 is a prime.

It is a super-2 number, since 2×499769² = 499538106722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499769.

It is not an unprimeable number, because it can be changed into a prime (499729) 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, 3449 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (126720).

2⁴⁹⁹⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

499769 is a deficient number, since it is larger than the sum of its proper divisors (7111).

499769 is an equidigital number, since it uses as much as digits as its factorization.

499769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its digits is 122472, while the sum is 44.

The square root of 499769 is about 706.9434206498. The cubic root of 499769 is about 79.3578277275.

The spelling of 499769 in words is "four hundred ninety-nine thousand, seven hundred sixty-nine".