497389 has 2 divisors, whose sum is σ = 497390. Its totient is φ = 497388.

The previous prime is 497351. The next prime is 497411. The reversal of 497389 is 983794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396900 + 100489 = 630^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 497389 - 2⁷ = 497261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497309) 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, 248694 + 248695.

It is an arithmetic number, because the mean of its divisors is an integer number (248695).

2⁴⁹⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

497389 is a deficient number, since it is larger than the sum of its proper divisors (1).

497389 is an equidigital number, since it uses as much as digits as its factorization.

497389 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 497389 is about 705.2581087800. The cubic root of 497389 is about 79.2316546085.

The spelling of 497389 in words is "four hundred ninety-seven thousand, three hundred eighty-nine".