498397 has 2 divisors, whose sum is σ = 498398. Its totient is φ = 498396.

The previous prime is 498391. The next prime is 498401. The reversal of 498397 is 793894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 168921 = 574^2 + 411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498397 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498391) 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 as a sum of consecutive naturals, namely, 249198 + 249199.

It is an arithmetic number, because the mean of its divisors is an integer number (249199).

2⁴⁹⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

498397 is a deficient number, since it is larger than the sum of its proper divisors (1).

498397 is an equidigital number, since it uses as much as digits as its factorization.

498397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 498397 is about 705.9723790631. The cubic root of 498397 is about 79.2851416626.

The spelling of 498397 in words is "four hundred ninety-eight thousand, three hundred ninety-seven".