499819 has 2 divisors, whose sum is σ = 499820. Its totient is φ = 499818.

The previous prime is 499801. The next prime is 499853. The reversal of 499819 is 918994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499819 - 2⁵ = 499787 is a prime.

It is a super-2 number, since 2×499819² = 499638065522, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (499879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249909 + 249910.

It is an arithmetic number, because the mean of its divisors is an integer number (249910).

2⁴⁹⁹⁸¹⁹ is an apocalyptic number.

499819 is a deficient number, since it is larger than the sum of its proper divisors (1).

499819 is an equidigital number, since it uses as much as digits as its factorization.

499819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 499819 is about 706.9787832743. The cubic root of 499819 is about 79.3604741228.

The spelling of 499819 in words is "four hundred ninety-nine thousand, eight hundred nineteen".