497398 has 16 divisors (see below), whose sum is σ = 850176. Its totient is φ = 216040.

The previous prime is 497389. The next prime is 497411. The reversal of 497398 is 893794.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 497398.

It is a congruent number.

It is an unprimeable number.

497398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 15 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (53136).

2⁴⁹⁷³⁹⁸ is an apocalyptic number.

497398 is a deficient number, since it is larger than the sum of its proper divisors (352778).

497398 is a wasteful number, since it uses less digits than its factorization.

497398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

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

The square root of 497398 is about 705.2644893939. The cubic root of 497398 is about 79.2321324910.

It can be divided in two parts, 49 and 7398, that added together give a palindrome (7447).

The spelling of 497398 in words is "four hundred ninety-seven thousand, three hundred ninety-eight".