498791 has 2 divisors, whose sum is σ = 498792. Its totient is φ = 498790.

The previous prime is 498787. The next prime is 498803. The reversal of 498791 is 197894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498791 - 2² = 498787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 2.

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 498791.

It is not a weakly prime, because it can be changed into another prime (498761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249395 + 249396.

It is an arithmetic number, because the mean of its divisors is an integer number (249396).

2⁴⁹⁸⁷⁹¹ is an apocalyptic number.

498791 is a deficient number, since it is larger than the sum of its proper divisors (1).

498791 is an equidigital number, since it uses as much as digits as its factorization.

498791 is an evil number, because the sum of its binary digits is even.

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

The square root of 498791 is about 706.2513716801. The cubic root of 498791 is about 79.3060287050.

The spelling of 498791 in words is "four hundred ninety-eight thousand, seven hundred ninety-one".