499019 has 4 divisors (see below), whose sum is σ = 512544. Its totient is φ = 485496.

The previous prime is 498989. The next prime is 499021. The reversal of 499019 is 910994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499019 is a prime.

It is a super-2 number, since 2×499019² = 498039924722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (499039) 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, 6707 + ... + 6780.

It is an arithmetic number, because the mean of its divisors is an integer number (128136).

2⁴⁹⁹⁰¹⁹ is an apocalyptic number.

499019 is a deficient number, since it is larger than the sum of its proper divisors (13525).

499019 is a wasteful number, since it uses less digits than its factorization.

499019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13524.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 499019 is about 706.4127688540. The cubic root of 499019 is about 79.3181105991.

The spelling of 499019 in words is "four hundred ninety-nine thousand, nineteen".