498919 has 4 divisors (see below), whose sum is σ = 507160. Its totient is φ = 490680.

The previous prime is 498907. The next prime is 498923. The reversal of 498919 is 919894.

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 498919 - 2⁷ = 498791 is a prime.

It is a super-2 number, since 2×498919² = 497840337122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029 + ... + 4150.

It is an arithmetic number, because the mean of its divisors is an integer number (126790).

2⁴⁹⁸⁹¹⁹ is an apocalyptic number.

498919 is a deficient number, since it is larger than the sum of its proper divisors (8241).

498919 is an equidigital number, since it uses as much as digits as its factorization.

498919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240.

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

The square root of 498919 is about 706.3419851602. The cubic root of 498919 is about 79.3128119759.

The spelling of 498919 in words is "four hundred ninety-eight thousand, nine hundred nineteen".