498917 has 4 divisors (see below), whose sum is σ = 506016. Its totient is φ = 491820.

The previous prime is 498907. The next prime is 498923. The reversal of 498917 is 719894.

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 not a de Polignac number, because 498917 - 2¹⁸ = 236773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 498917.

It is not an unprimeable number, because it can be changed into a prime (498907) 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, 3443 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (126504).

2⁴⁹⁸⁹¹⁷ is an apocalyptic number.

It is an amenable number.

498917 is a deficient number, since it is larger than the sum of its proper divisors (7099).

498917 is an equidigital number, since it uses as much as digits as its factorization.

498917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 18144, while the sum is 38.

The square root of 498917 is about 706.3405694139. The cubic root of 498917 is about 79.3127059962.

The spelling of 498917 in words is "four hundred ninety-eight thousand, nine hundred seventeen".